Não informado. (1963). World agricultural production and trade. U.S. Department of Agriculture, Foreign Agricultural Service.
Style de citation Chicago (17e éd.)Não informado. World Agricultural Production and Trade. Washington: U.S. Department of Agriculture, Foreign Agricultural Service, 1963.
Style de citation MLA (8e éd.)Não informado. World Agricultural Production and Trade. U.S. Department of Agriculture, Foreign Agricultural Service, 1963.
Attention : ces citations peuvent ne pas être correctes à 100%.