Fesharaki, F., & Isaak, D. T. (1983). OPEC, the Gulf, and the world petroleum market: A study in government policy and downstream operations. Westview Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Fesharaki, Fereidun, و David T. Isaak. OPEC, the Gulf, and the World Petroleum Market: A Study in Government Policy and Downstream Operations. Boulder, Colo: Westview Press, 1983.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Fesharaki, Fereidun, و David T. Isaak. OPEC, the Gulf, and the World Petroleum Market: A Study in Government Policy and Downstream Operations. Westview Press, 1983.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.