@book{justhis6065,
           title = {La soci{\'e}t{\'e} coop{\'e}rative. Guide pratique},
          author = {H. Delarge},
         address = {Bruxelles},
       publisher = {Sopel},
            year = {1941},
             url = {http://www.just-his.be/eprints/6065/}
}