Não informado. (1920). Journal of the Department of Agriculture of the Union of South Africa. Union of South Africa, Department of Agriculture.
Citação do estilo Chicago (17ª ed.)Não informado. Journal of the Department of Agriculture of the Union of South Africa. Pretoria, Africa do Sul: Union of South Africa, Department of Agriculture, 1920.
Citação MLA (8ª ed.)Não informado. Journal of the Department of Agriculture of the Union of South Africa. Union of South Africa, Department of Agriculture, 1920.
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