United Nations. Population Division. Dept. of Economic and Social Affairs. (2005). World population policies, 2005. Academic Foundation.
Chicago-Zitierstil (17. Ausg.)United Nations. Population Division. Dept. of Economic and Social Affairs. World Population Policies, 2005. Academic Foundation, 2005.
MLA-Zitierstil (9. Ausg.)United Nations. Population Division. Dept. of Economic and Social Affairs. World Population Policies, 2005. Academic Foundation, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.