Não informado. (1945). Agriculture abroad. Department of Agriculture, Economics Division of the Marketing Service.
Style de citation Chicago (17e éd.)Não informado. Agriculture Abroad. Ottawa: Department of Agriculture, Economics Division of the Marketing Service, 1945.
Style de citation MLA (8e éd.)Não informado. Agriculture Abroad. Department of Agriculture, Economics Division of the Marketing Service, 1945.
Attention : ces citations peuvent ne pas être correctes à 100%.