Παραπομπή APA

(1968). Demographic yearbook : =: Annuaire demographique : special topic : mortality statistics II = (19th ed.). New York: United Nations. Statistical Office.

Παραπομπή Chicago Style

Demographic Yearbook : =: Annuaire Demographique : Special Topic : Mortality Statistics II =. 19th ed. New York: United Nations. Statistical Office, 1968.

Παραπομπή MLA

Demographic Yearbook : =: Annuaire Demographique : Special Topic : Mortality Statistics II =. 19th ed. New York: United Nations. Statistical Office, 1968.

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