Não informado. (1975). Cotton and wool situation. U.S. Department of Agriculture, Economic Research Service.
Chicagoスタイル(17版)引用形式Não informado. Cotton and Wool Situation. Washington: U.S. Department of Agriculture, Economic Research Service, 1975.
MLA(8版)引用形式Não informado. Cotton and Wool Situation. U.S. Department of Agriculture, Economic Research Service, 1975.
警告: この引用は必ずしも正確ではありません.