Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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