Não informado. (1934). News for farmer cooperatives. Department of Agriculture, Farmers Cooperative Service.
Style de citation Chicago (17e éd.)Não informado. News for Farmer Cooperatives. Washington: Department of Agriculture, Farmers Cooperative Service, 1934.
Style de citation MLA (8e éd.)Não informado. News for Farmer Cooperatives. Department of Agriculture, Farmers Cooperative Service, 1934.
Attention : ces citations peuvent ne pas être correctes à 100%.