Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
APA Citation Edition CitationVail, J. R. (1972). Geological reconnaissance in the Zalingeí and Jebel Marra areas of Western Darfur Province, Sudan. Geological Survey Department.
Chicago Citation Edition CitationVail, J. R. Geological Reconnaissance in the Zalingeí and Jebel Marra Areas of Western Darfur Province, Sudan. [Khartoum]: Geological Survey Department, 1972.
MLA Citation Edition CitationVail, J. R. Geological Reconnaissance in the Zalingeí and Jebel Marra Areas of Western Darfur Province, Sudan. Geological Survey Department, 1972.