(2007). World population prospects: The 2006 revision: Volume I. Comprehensive Tables / Department of Economic and Social Affairs, Population Division, United Nations. United Nations.
Cita Chicago (17th ed.)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.
Cita MLA (8th ed.)World Population Prospects: The 2006 Revision: Volume I. Comprehensive Tables / Department of Economic and Social Affairs, Population Division, United Nations. United Nations, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.