United Nations. Economic and Social Commission for Western Asia & United Nations. (2001). Review of science and technology in ESCWA member countries. United Nations.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United Nations. Economic and Social Commission for Western Asia و United Nations. Review of Science and Technology in ESCWA Member Countries. New York: United Nations, 2001.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United Nations. Economic and Social Commission for Western Asia و United Nations. Review of Science and Technology in ESCWA Member Countries. United Nations, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.