Não informado. (1924). Crops and markets. U.S. Department of Agriculture, Agricultural Marketing Service.
Cita Chicago Style (17a ed.)Não informado. Crops and Markets. Washington: U.S. Department of Agriculture, Agricultural Marketing Service, 1924.
Cita MLA (8a ed.)Não informado. Crops and Markets. U.S. Department of Agriculture, Agricultural Marketing Service, 1924.
Precaución: Estas citas no son 100% exactas.