United Nations. Department of Economic and Social Affairs. Population Division. (2000). World population monitoring, 1999: Population growth, structure and distribution. United Nations.
Citazione stile Chigago Style (17a edizione)United Nations. Department of Economic and Social Affairs. Population Division. World Population Monitoring, 1999: Population Growth, Structure and Distribution. New York: United Nations, 2000.
Citatione MLA (9a ed.)United Nations. Department of Economic and Social Affairs. Population Division. World Population Monitoring, 1999: Population Growth, Structure and Distribution. United Nations, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.