Cita APA (7a ed.)

Lahmeyer International. (1978). Energy in the development strategy of the Sahel: Situation-perspectives-recommendations : study. s.n.].

Cita Chicago Style (17a ed.)

Lahmeyer International. Energy in the Development Strategy of the Sahel: Situation-perspectives-recommendations : Study. [s.l.: s.n.], 1978.

Cita MLA (8a ed.)

Lahmeyer International. Energy in the Development Strategy of the Sahel: Situation-perspectives-recommendations : Study. s.n.], 1978.