show reference lang in product list

[kolxoznik1]

Please tell me how add language label for reference to category list (category.php) . I have been taken it prom product - {l s='Reference :'}

 

{$product.reference|escape:'htmlall':'UTF-8'} already return me a number. Please tell me how to add reference translation from lang file to category list?

 

 

I use prestashop 1.4 ...

Edited June 7, 2012 by kolxoznik1 (see edit history)