Lua APA (7ú heag.)

United Nations. Dept. of Economic and Social Affairs. (1973). World population prospects as assessed in 1968. United Nations.

Lua i Stíl Chicago (17ú heag.)

United Nations. Dept. of Economic and Social Affairs. World Population Prospects as Assessed in 1968. New York: United Nations, 1973.

Lua MLA (8ú heag.)

United Nations. Dept. of Economic and Social Affairs. World Population Prospects as Assessed in 1968. United Nations, 1973.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.