Cairo Demographic Centre. Seminar & Cairo Demographic Centre. (1997). CDC 26th Annual Seminar on Population Issues in the Middle East, Africa and Asia. Cairo Demographic Center.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cairo Demographic Centre. Seminar و Cairo Demographic Centre. CDC 26th Annual Seminar on Population Issues in the Middle East, Africa and Asia. Cairo: Cairo Demographic Center, 1997.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Cairo Demographic Centre. Seminar و Cairo Demographic Centre. CDC 26th Annual Seminar on Population Issues in the Middle East, Africa and Asia. Cairo Demographic Center, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.