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

APA Citation Edition Citation

Johansen Kleppe, E. (1986). The prehistory of southern Sudan. Approaches made before 1950.

Chicago Citation Edition Citation

Johansen Kleppe, E. The Prehistory of Southern Sudan. Approaches Made Before 1950. 1986.

MLA Citation Edition Citation

Johansen Kleppe, E. The Prehistory of Southern Sudan. Approaches Made Before 1950. 1986.