APA (7e ed.) Bronvermelding

Revelle, R. (1974). Possibilities for agricultural development in Lake Chad. s.n.].

Chicago (17e ed.) Bronvermelding

Revelle, Roger. Possibilities for Agricultural Development in Lake Chad. [s.l.: s.n.], 1974.

MLA (8e ed.) Bronvermelding

Revelle, Roger. Possibilities for Agricultural Development in Lake Chad. s.n.], 1974.

Let op: Deze citaties zijn niet altijd 100% accuraat.