Não informado. (1957). Ghana Farmer. Department of Agriculture.
Chicagoスタイル(17版)引用形式Não informado. Ghana Farmer. Accra: Department of Agriculture, 1957.
MLA(8版)引用形式Não informado. Ghana Farmer. Department of Agriculture, 1957.
警告: この引用は必ずしも正確ではありません.