Não informado. (1935). American cattle producer. American National Livestock Association.
Chicago-referens (17:e uppl.)Não informado. American Cattle Producer. Denver, Colo: American National Livestock Association, 1935.
MLA-referens (8:e uppl.)Não informado. American Cattle Producer. American National Livestock Association, 1935.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.