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Chicago-referens (17:e uppl.)Cairo Demographic Centre. Seminar och Cairo Demographic Centre. CDC 26th Annual Seminar on Population Issues in the Middle East, Africa and Asia. Cairo: Cairo Demographic Center, 1997.
MLA-referens (9:e uppl.)Cairo Demographic Centre. Seminar och Cairo Demographic Centre. CDC 26th Annual Seminar on Population Issues in the Middle East, Africa and Asia. Cairo Demographic Center, 1997.