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

APA Citation Edition Citation

Williams, M. A. J. (1982). A land between two Niles: Quaternary geology and biology of the Central Sudan. Balkema.

Chicago Citation Edition Citation

Williams, M. A. J. A Land Between Two Niles: Quaternary Geology and Biology of the Central Sudan. Rotterdam: Balkema, 1982.

MLA Citation Edition Citation

Williams, M. A. J. A Land Between Two Niles: Quaternary Geology and Biology of the Central Sudan. Balkema, 1982.