APA ציטוט

United Nations. Department of Economic and Social Affairs. Population Division. (2007). World population ageing 2007. United Nations, Department of Economic and Social Affairs, Population Division.

Chicago Style (17th ed.) Citation

United Nations. Department of Economic and Social Affairs. Population Division. World Population Ageing 2007. New York: United Nations, Department of Economic and Social Affairs, Population Division, 2007.

ציטוט MLA

United Nations. Department of Economic and Social Affairs. Population Division. World Population Ageing 2007. United Nations, Department of Economic and Social Affairs, Population Division, 2007.