Roberts, K. (1992). An investigation of the floor and marginal rock-layered relationship of the Bushveld Complex, northwest of Pretoria.
Chicago-Zitierstil (17. Ausg.)Roberts, K. An Investigation of the Floor and Marginal Rock-layered Relationship of the Bushveld Complex, Northwest of Pretoria. Pretoria, 1992.
MLA-Zitierstil (9. Ausg.)Roberts, K. An Investigation of the Floor and Marginal Rock-layered Relationship of the Bushveld Complex, Northwest of Pretoria. 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.