Não informado. (1978). Farmer cooperatives. Department of Agriculture, Agricultural Cooperative Service.
Chicagoスタイル(17版)引用形式Não informado. Farmer Cooperatives. Washington: Department of Agriculture, Agricultural Cooperative Service, 1978.
MLA(8版)引用形式Não informado. Farmer Cooperatives. Department of Agriculture, Agricultural Cooperative Service, 1978.
警告: この引用は必ずしも正確ではありません.