Não informado. (1946). Annual cotton quality survey. U.S. Department of Agriculture, Production and Marketing.
Style de citation Chicago (17e éd.)Não informado. Annual Cotton Quality Survey. Washington: U.S. Department of Agriculture, Production and Marketing, 1946.
Style de citation MLA (8e éd.)Não informado. Annual Cotton Quality Survey. U.S. Department of Agriculture, Production and Marketing, 1946.
Attention : ces citations peuvent ne pas être correctes à 100%.