(2007). World population prospects: The 2006 revision: Volume I. Comprehensive Tables / Department of Economic and Social Affairs, Population Division, United Nations. United Nations.
Chicago-referens (17:e uppl.)World Population Prospects: The 2006 Revision: Volume I. Comprehensive Tables / Department of Economic and Social Affairs, Population Division, United Nations. New York: United Nations, 2007.
MLA-referens (8:e uppl.)World Population Prospects: The 2006 Revision: Volume I. Comprehensive Tables / Department of Economic and Social Affairs, Population Division, United Nations. United Nations, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.