APA (7e ed.) Bronvermelding

Não informado. (2020). Report of the Geological Survey of Natal and Zululand. P. Davis & Sons, Printers.

Chicago (17e ed.) Bronvermelding

Não informado. Report of the Geological Survey of Natal and Zululand. Pietermaritzburg, Africa do Sul: P. Davis & Sons, Printers, 2020.

MLA (8e ed.) Bronvermelding

Não informado. Report of the Geological Survey of Natal and Zululand. P. Davis & Sons, Printers, 2020.

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