Não informado. (1934). News for farmer cooperatives. Department of Agriculture, Farmers Cooperative Service.
Chicago-referens (17:e uppl.)Não informado. News for Farmer Cooperatives. Washington: Department of Agriculture, Farmers Cooperative Service, 1934.
MLA-referens (8:e uppl.)Não informado. News for Farmer Cooperatives. Department of Agriculture, Farmers Cooperative Service, 1934.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.