Viljoen, V. E. (1962). The mineralogy and gensis of the Mangula, Vaalwater and Umkondo ore deposits. [University of Stellenbosch].
Chicago-стиль цитированияViljoen, V. E. The Mineralogy and Gensis of the Mangula, Vaalwater and Umkondo Ore Deposits. Stellenbosch: [University of Stellenbosch], 1962.
MLA-цитированиеViljoen, V. E. The Mineralogy and Gensis of the Mangula, Vaalwater and Umkondo Ore Deposits. [University of Stellenbosch], 1962.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.