Cairo Demographic Center. (1999). Population and development. UNFPA.
Chicagoスタイル(17版)引用形式Cairo Demographic Center. Population and Development. Cairo: UNFPA, 1999.
MLA(9版)引用形式Cairo Demographic Center. Population and Development. UNFPA, 1999.
警告: この引用は必ずしも正確ではありません.