Παραπομπή APA

(1969). Demographic yearbook 1968 : =: Annuaire demographique 1968 : special topic : marriage and divorce statistics =. New York: United Nations. Statistical Office.

Παραπομπή Chicago Style

Demographic Yearbook 1968 : =: Annuaire Demographique 1968 : Special Topic : Marriage and Divorce Statistics =. New York: United Nations. Statistical Office, 1969.

Παραπομπή MLA

Demographic Yearbook 1968 : =: Annuaire Demographique 1968 : Special Topic : Marriage and Divorce Statistics =. New York: United Nations. Statistical Office, 1969.

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