Dyfyniad APA

Caldwell, J. C. (1975). The Sahelian drought and its demographic implications. Overseas Liaison Committee, American Council on Education.

Dyfyniad Arddull Chicago

Caldwell, John C. The Sahelian Drought and Its Demographic Implications. [Washington]: Overseas Liaison Committee, American Council on Education, 1975.

Dyfyniad MLA

Caldwell, John C. The Sahelian Drought and Its Demographic Implications. Overseas Liaison Committee, American Council on Education, 1975.

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