Não informado. (1942). Agriculture Decisions. U.S. Department of Agriculture.
Chicagoスタイル(17版)引用形式Não informado. Agriculture Decisions. Washington: U.S. Department of Agriculture, 1942.
MLA(8版)引用形式Não informado. Agriculture Decisions. U.S. Department of Agriculture, 1942.
警告: この引用は必ずしも正確ではありません.