Caldwell, J. C. (1975). The Sahelian drought and its demographic implications. Overseas Liaison Committee, American Council on Education.
Chicago-Zitierstil (17. Ausg.)Caldwell, John C. The Sahelian Drought and Its Demographic Implications. [Washington]: Overseas Liaison Committee, American Council on Education, 1975.
MLA-Zitierstil (8. Ausg.)Caldwell, John C. The Sahelian Drought and Its Demographic Implications. Overseas Liaison Committee, American Council on Education, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.