United Nations. Dept. of Economic and Social Affairs. (1960). Demographic yearbook 1960 =: Annuaire démographique 1960 : special topic : population trends (12th issue.). United Nations.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations. Dept. of Economic and Social Affairs. Demographic Yearbook 1960 =: Annuaire Démographique 1960 : Special Topic : Population Trends. 12th issue. New York: United Nations, 1960.
Παραπομπή σε μορφή MLA (8th εκδ.)United Nations. Dept. of Economic and Social Affairs. Demographic Yearbook 1960 =: Annuaire Démographique 1960 : Special Topic : Population Trends. 12th issue. United Nations, 1960.
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