diff --git a/system/templates/items/advancement/advancement-sheet.html b/system/templates/items/advancement/advancement-sheet.html
index d7e94ad..fedd099 100644
--- a/system/templates/items/advancement/advancement-sheet.html
+++ b/system/templates/items/advancement/advancement-sheet.html
@@ -15,6 +15,10 @@
         {{!-- Description Tab --}}
         <article class="tab flexcol" data-group="primary" data-tab="description">
             {{editor content=data.description target="data.description" button=true owner=owner editable=editable}}
+            <div class="resource">
+                <label>{{ localize 'l5r5e.book_reference' }}</label>
+                <input type="text" name="data.book_reference" value="{{item.data.book_reference}}" />
+            </div>
         </article>
         {{!-- Attributes Tab --}}
         <article class="tab attributes" data-group="primary" data-tab="attributes">
diff --git a/system/templates/items/armor/armor-sheet.html b/system/templates/items/armor/armor-sheet.html
index 5099b4b..e221bd3 100644
--- a/system/templates/items/armor/armor-sheet.html
+++ b/system/templates/items/armor/armor-sheet.html
@@ -40,6 +40,10 @@
             <fieldset>
                 <legend class="text-block-header">{{ localize 'l5r5e.description' }}</legend>
                 {{editor content=data.description target="data.description" button=true owner=owner editable=editable}}
+                <div class="resource">
+                    <label>{{ localize 'l5r5e.book_reference' }}</label>
+                    <input type="text" name="data.book_reference" value="{{data.book_reference}}" />
+                </div>
             </fieldset>
 
             <fieldset class="weapon-stats-content">
diff --git a/system/templates/items/item/item-sheet.html b/system/templates/items/item/item-sheet.html
index f572578..b3c92b8 100644
--- a/system/templates/items/item/item-sheet.html
+++ b/system/templates/items/item/item-sheet.html
@@ -38,6 +38,10 @@
         {{!-- Description Tab --}}
         <article class="tab flexcol" data-group="primary" data-tab="description">
             {{editor content=data.description target="data.description" button=true owner=owner editable=editable}}
+            <div class="resource">
+                <label>{{ localize 'l5r5e.book_reference' }}</label>
+                <input type="text" name="data.book_reference" value="{{data.book_reference}}" />
+            </div>
         </article>
         {{!-- properties Tab --}}
         <article class="tab properties" data-group="primary" data-tab="properties">
diff --git a/system/templates/items/peculiarity/peculiarity-sheet.html b/system/templates/items/peculiarity/peculiarity-sheet.html
index 3b37d12..603c4f4 100644
--- a/system/templates/items/peculiarity/peculiarity-sheet.html
+++ b/system/templates/items/peculiarity/peculiarity-sheet.html
@@ -16,6 +16,10 @@
         {{!-- Description Tab --}}
         <article class="tab flexcol" data-group="primary" data-tab="description">
             {{editor content=item.data.description target="item.data.description" button=true owner=owner editable=editable}}
+            <div class="resource">
+                <label>{{ localize 'l5r5e.book_reference' }}</label>
+                <input type="text" name="data.book_reference" value="{{item.data.book_reference}}" />
+            </div>
         </article>
         {{!-- Attributes Tab --}}
         <article class="tab attributes" data-group="primary" data-tab="attributes">
diff --git a/system/templates/items/property/property-sheet.html b/system/templates/items/property/property-sheet.html
index 948e97a..09d947f 100644
--- a/system/templates/items/property/property-sheet.html
+++ b/system/templates/items/property/property-sheet.html
@@ -17,6 +17,10 @@
                 <legend class="text-block-header">{{ localize 'l5r5e.description' }}</legend>
                 {{editor content=data.description target="data.description" button=true owner=owner editable=editable}}
             </fieldset>
+            <div class="resource">
+                <label>{{ localize 'l5r5e.book_reference' }}</label>
+                <input type="text" name="data.book_reference" value="{{data.book_reference}}" />
+            </div>
         </article>
     </section>
 </form>
diff --git a/system/templates/items/technique/technique-sheet.html b/system/templates/items/technique/technique-sheet.html
index 7fbf0e1..0ac24a0 100644
--- a/system/templates/items/technique/technique-sheet.html
+++ b/system/templates/items/technique/technique-sheet.html
@@ -16,6 +16,11 @@
         <article class="tab flexcol" data-group="primary" data-tab="description">
             {{editor content=data.description target="data.description" button=true owner=owner editable=editable}}
         </article>
+        <div class="resource">
+            <label>{{ localize 'l5r5e.book_reference' }}</label>
+            <input type="text" name="data.book_reference" value="{{item.data.book_reference}}" />
+        </div>
+
         {{!-- Attributes Tab --}}
         <article class="tab attributes" data-group="primary" data-tab="attributes">
             <!-- TODO j'ai mis tous les attributs en vrac, à réorganiser -->
diff --git a/system/templates/items/weapon/weapon-sheet.html b/system/templates/items/weapon/weapon-sheet.html
index 6da78cf..eb5a8f7 100644
--- a/system/templates/items/weapon/weapon-sheet.html
+++ b/system/templates/items/weapon/weapon-sheet.html
@@ -86,6 +86,10 @@
                 <legend class="text-block-header">{{ localize  'l5r5e.description' }}</legend>
                 {{editor content=data.description target="data.description" button=true owner=owner editable=editable}}
             </fieldset>
+            <div class="resource">
+                <label>{{ localize 'l5r5e.book_reference' }}</label>
+                <input type="text" name="data.book_reference" value="{{data.book_reference}}" />
+            </div>
         </article>
     </section>
 </form>