Não informado. (1932). Report and accounts of the National Botanic Gardens of South Africa. National Botanic Gardens of South Africa.
Čikaški stil citiranja (17. izdanje)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 način citiranja (8. izdanje)Não informado. Report and Accounts of the National Botanic Gardens of South Africa. National Botanic Gardens of South Africa, 1932.
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