diff --git a/htdocs/contrat/contact.php b/htdocs/contrat/contact.php
index 915a2775b91..2eea1fd3dc0 100644
--- a/htdocs/contrat/contact.php
+++ b/htdocs/contrat/contact.php
@@ -144,9 +144,11 @@ if ($id > 0 || ! empty($ref))
 		 */
 		print '<table class="border" width="100%">';
 
+		$linkback = '<a href="'.DOL_URL_ROOT.'/contrat/liste.php'.(! empty($socid)?'?socid='.$socid:'').'">'.$langs->trans("BackToList").'</a>';
+
 		// Reference du contrat
 		print '<tr><td width="25%">'.$langs->trans("Ref").'</td><td colspan="3">';
-		print $object->ref;
+		print $form->showrefnav($object, 'ref', $linkback, 1, 'ref', 'ref', '');
 		print "</td></tr>";
 
 		// Customer
diff --git a/htdocs/contrat/document.php b/htdocs/contrat/document.php
index 2c09a9b94c3..5a9ea118bb6 100644
--- a/htdocs/contrat/document.php
+++ b/htdocs/contrat/document.php
@@ -156,8 +156,10 @@ if ($object->id)
 
     print '<table class="border" width="100%">';
 
+    $linkback = '<a href="'.DOL_URL_ROOT.'/contrat/liste.php'.(! empty($socid)?'?socid='.$socid:'').'">'.$langs->trans("BackToList").'</a>';
+
     // Reference
-	print '<tr><td width="30%">'.$langs->trans('Ref').'</td><td colspan="3">'.$object->ref.'</td></tr>';
+	print '<tr><td width="30%">'.$langs->trans('Ref').'</td><td colspan="3">'.$form->showrefnav($object, 'ref', $linkback, 1, 'ref', 'ref', '').'</td></tr>';
 
     // Societe
     print '<tr><td>'.$langs->trans("Customer").'</td>';
diff --git a/htdocs/contrat/fiche.php b/htdocs/contrat/fiche.php
index b1c828b7a3e..a1367ebae61 100644
--- a/htdocs/contrat/fiche.php
+++ b/htdocs/contrat/fiche.php
@@ -725,9 +725,11 @@ else
 
         print '<table class="border" width="100%">';
 
+        $linkback = '<a href="'.DOL_URL_ROOT.'/contrat/liste.php'.(! empty($socid)?'?socid='.$socid:'').'">'.$langs->trans("BackToList").'</a>';
+
         // Ref du contrat
         print '<tr><td width="25%">'.$langs->trans("Ref").'</td><td colspan="3">';
-        print $form->showrefnav($object,'ref','',1,'ref','ref','');
+        print $form->showrefnav($object, 'ref', $linkback, 1, 'ref', 'ref', '');
         print "</td></tr>";
 
         // Customer
diff --git a/htdocs/contrat/note.php b/htdocs/contrat/note.php
index 57bd23ccd89..921c36b5c02 100644
--- a/htdocs/contrat/note.php
+++ b/htdocs/contrat/note.php
@@ -85,8 +85,10 @@ if ($id > 0 || ! empty($ref))
 
     print '<table class="border" width="100%">';
 
+    $linkback = '<a href="'.DOL_URL_ROOT.'/contrat/liste.php'.(! empty($socid)?'?socid='.$socid:'').'">'.$langs->trans("BackToList").'</a>';
+
     // Reference
-	print '<tr><td width="25%">'.$langs->trans('Ref').'</td><td colspan="5">'.$object->ref.'</td></tr>';
+	print '<tr><td width="25%">'.$langs->trans('Ref').'</td><td colspan="5">'.$form->showrefnav($object, 'ref', $linkback, 1, 'ref', 'ref', '').'</td></tr>';
 
     // Societe
     print '<tr><td>'.$langs->trans("Customer").'</td>';