Cairo Demographic Centre. Seminar. (1999). CDC 28th Annual Seminar on population issues in the Middle East, Africa, and Asia. Cairo Demographic Center.
Tohutoru Kātū Chicago (17th ed.)Cairo Demographic Centre. Seminar. CDC 28th Annual Seminar on Population Issues in the Middle East, Africa, and Asia. Cairo: Cairo Demographic Center, 1999.
Tohutoro MLA (9th ed.)Cairo Demographic Centre. Seminar. CDC 28th Annual Seminar on Population Issues in the Middle East, Africa, and Asia. Cairo Demographic Center, 1999.