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