APA استشهاد

Maachou, A. (1982). OPEC and Arab petroleum. Berger-Leverault.

استشهاد بنمط شيكاغو

Maachou, Abdelkader. OPEC and Arab Petroleum. Paris: Berger-Leverault, 1982.

MLA استشهاد

Maachou, Abdelkader. OPEC and Arab Petroleum. Berger-Leverault, 1982.