Não informado. (1945). Agriculture abroad. Department of Agriculture, Economics Division of the Marketing Service.
Chicagoスタイル(17版)引用形式Não informado. Agriculture Abroad. Ottawa: Department of Agriculture, Economics Division of the Marketing Service, 1945.
MLA(8版)引用形式Não informado. Agriculture Abroad. Department of Agriculture, Economics Division of the Marketing Service, 1945.
警告: この引用は必ずしも正確ではありません.