Revelle, R. (1974). Possibilities for agricultural development in Lake Chad. s.n.].
Citación estilo ChicagoRevelle, Roger. Possibilities for Agricultural Development in Lake Chad. [s.l.: s.n.], 1974.
Cita MLARevelle, Roger. Possibilities for Agricultural Development in Lake Chad. s.n.], 1974.
Warning: These citations may not always be 100% accurate.