Não informado. (1932). Report and accounts of the National Botanic Gardens of South Africa. National Botanic Gardens of South Africa.
Chicago-Zitierstil (17. Ausg.)Não informado. Report and Accounts of the National Botanic Gardens of South Africa. Cape Town, Africa do Sul: National Botanic Gardens of South Africa, 1932.
MLA-Zitierstil (8. Ausg.)Não informado. Report and Accounts of the National Botanic Gardens of South Africa. National Botanic Gardens of South Africa, 1932.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.