APA(7版)引用形式

Não informado. (1956). Research for farmers. Department of Agriculture.

Chicagoスタイル(17版)引用形式

Não informado. Research for Farmers. Ottawa: Department of Agriculture, 1956.

MLA(8版)引用形式

Não informado. Research for Farmers. Department of Agriculture, 1956.

警告: この引用は必ずしも正確ではありません.