APA aipamena

Henry, L. (1980). Fertility of marriage: A new method of measurement. United Nations.

Chicago Style aipamena

Henry, Louis. Fertility of Marriage: A New Method of Measurement. New York: United Nations, 1980.

MLA aipamena

Henry, Louis. Fertility of Marriage: A New Method of Measurement. United Nations, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.