Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Vail, J. R. (1973). Geology of the Third Cataract, Halfa District, Northern Province, Sudan. Geological and Mineral Resources Department.

Chicago Citation Edition Citation

Vail, J. R. Geology of the Third Cataract, Halfa District, Northern Province, Sudan. [Khartoum]: Geological and Mineral Resources Department, 1973.

MLA Citation Edition Citation

Vail, J. R. Geology of the Third Cataract, Halfa District, Northern Province, Sudan. Geological and Mineral Resources Department, 1973.