Department of Economic and Social Affairs. (2008). Statistical Yearbook. United Nations.
Чикаго маягийн жагсаалтDepartment of Economic and Social Affairs. Statistical Yearbook. New York: United Nations, 2008.
MLA ишлэлDepartment of Economic and Social Affairs. Statistical Yearbook. United Nations, 2008.
Warning: These citations may not always be 100% accurate.