Não informado. (1962). Annals of the Geological Survey. Republic of South Africa, Department of Mines.
Citace podle Chicago (17th ed.)Não informado. Annals of the Geological Survey. Pretoria, Africa do Sul: Republic of South Africa, Department of Mines, 1962.
Citace podle MLA (8th ed.)Não informado. Annals of the Geological Survey. Republic of South Africa, Department of Mines, 1962.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..