APA Баримт

Economic and social affairs. (2005). World population prespects: Sex and age distribution of the the world population. United nations.

Чикаго маягийн жагсаалт

Economic and social affairs. World Population Prespects: Sex and Age Distribution of the the World Population. New York: United nations, 2005.

MLA ишлэл

Economic and social affairs. World Population Prespects: Sex and Age Distribution of the the World Population. United nations, 2005.