Não informado. (1924). Agricultural situation. U.S. Department of Agriculture, Agricultural Marketing Service.
Chicagoスタイル(17版)引用形式Não informado. Agricultural Situation. Washington: U.S. Department of Agriculture, Agricultural Marketing Service, 1924.
MLA(8版)引用形式Não informado. Agricultural Situation. U.S. Department of Agriculture, Agricultural Marketing Service, 1924.
警告: この引用は必ずしも正確ではありません.