Não informado. (1911). Agricultural journal of the Union of South Africa. Department of Agriculture.
Style de citation Chicago (17e éd.)Não informado. Agricultural Journal of the Union of South Africa. Pretoria, Africa do Sul: Department of Agriculture, 1911.
Style de citation MLA (8e éd.)Não informado. Agricultural Journal of the Union of South Africa. Department of Agriculture, 1911.
Attention : ces citations peuvent ne pas être correctes à 100%.