(1991). Lithostratigraphy of the Vryburg Formation (including the Kalkput, Geelbeksdam, Rosendal, Waterloo and Oceola Members). Geological Survey.
Chicago-Zitierstil (17. Ausg.)Lithostratigraphy of the Vryburg Formation (including the Kalkput, Geelbeksdam, Rosendal, Waterloo and Oceola Members). Pretoria: Geological Survey, 1991.
MLA-Zitierstil (9. Ausg.)Lithostratigraphy of the Vryburg Formation (including the Kalkput, Geelbeksdam, Rosendal, Waterloo and Oceola Members). Geological Survey, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.