Não informado. (1926). Farming in South Africa. Union of South Africa, Department of Agriculture.
Lua i Stíl Chicago (17ú heag.)Não informado. Farming in South Africa. Pretoria, Africa do Sul: Union of South Africa, Department of Agriculture, 1926.
Lua MLA (8ú heag.)Não informado. Farming in South Africa. Union of South Africa, Department of Agriculture, 1926.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.