Não informado. (2020). Report of the Geological Survey of Natal and Zululand. P. Davis & Sons, Printers.
Style de citation Chicago (17e éd.)Não informado. Report of the Geological Survey of Natal and Zululand. Pietermaritzburg, Africa do Sul: P. Davis & Sons, Printers, 2020.
Style de citation MLA (8e éd.)Não informado. Report of the Geological Survey of Natal and Zululand. P. Davis & Sons, Printers, 2020.
Attention : ces citations peuvent ne pas être correctes à 100%.