Παραπομπή APA

(1959). Demographic yearbook : =: Annuaire demographique : special topic : natality statistics = (11th ed.). New York: United Nations. Statistical Office.

Παραπομπή Chicago Style

Demographic Yearbook : =: Annuaire Demographique : Special Topic : Natality Statistics =. 11th ed. New York: United Nations. Statistical Office, 1959.

Παραπομπή MLA

Demographic Yearbook : =: Annuaire Demographique : Special Topic : Natality Statistics =. 11th ed. New York: United Nations. Statistical Office, 1959.

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