Não informado. (1926). Farming in South Africa. Union of South Africa, Department of Agriculture.
Chicagoスタイル(17版)引用形式Não informado. Farming in South Africa. Pretoria, Africa do Sul: Union of South Africa, Department of Agriculture, 1926.
MLA(8版)引用形式Não informado. Farming in South Africa. Union of South Africa, Department of Agriculture, 1926.
警告: この引用は必ずしも正確ではありません.