Não informado. (1944). Agriculture Bulletin. Department of Agriculture.
Chicagoスタイル(17版)引用形式Não informado. Agriculture Bulletin. Salem, Ore: Department of Agriculture, 1944.
MLA(8版)引用形式Não informado. Agriculture Bulletin. Department of Agriculture, 1944.
警告: この引用は必ずしも正確ではありません.