APA (7e ed.) Bronvermelding

Não informado. (1919). Memoirs of the Botanical Survey of South Africa. Department of Agricultural Technical Services, Botanical Research.

Chicago (17e ed.) Bronvermelding

Não informado. Memoirs of the Botanical Survey of South Africa. Pretoria, Africa do Sul: Department of Agricultural Technical Services, Botanical Research, 1919.

MLA (8e ed.) Bronvermelding

Não informado. Memoirs of the Botanical Survey of South Africa. Department of Agricultural Technical Services, Botanical Research, 1919.

Let op: Deze citaties zijn niet altijd 100% accuraat.