APA aipamena

United Nations. Department of Economic and Social Affairs. Population Division. (2009). World population prospects: The 2008 revision. United Nations.

Chicago Style aipamena

United Nations. Department of Economic and Social Affairs. Population Division. World Population Prospects: The 2008 Revision. New York: United Nations, 2009.

MLA aipamena

United Nations. Department of Economic and Social Affairs. Population Division. World Population Prospects: The 2008 Revision. United Nations, 2009.