United Nations Department of Economic and Social Affairs. (2009). Population Bulletin of the United Nations: Special Issue. United Nations.
Чикаго маягийн жагсаалтUnited Nations Department of Economic and Social Affairs. Population Bulletin of the United Nations: Special Issue. New York: United Nations, 2009.
MLA ишлэлUnited Nations Department of Economic and Social Affairs. Population Bulletin of the United Nations: Special Issue. United Nations, 2009.
Warning: These citations may not always be 100% accurate.