Maachou, A. (1982). OPEC and Arab petroleum. Berger-Leverault.
シカゴスタイル引用形Maachou, Abdelkader. OPEC and Arab Petroleum. Paris: Berger-Leverault, 1982.
MLA引用形式Maachou, Abdelkader. OPEC and Arab Petroleum. Berger-Leverault, 1982.
警告: この引用は必ずしも正確ではありません.