Dyfyniad APA

United Nations. Department of International Economic and Social Affairs. (1988). First marriage: Patterns and determinants. United Nations.

Dyfyniad Arddull Chicago

United Nations. Department of International Economic and Social Affairs. First Marriage: Patterns and Determinants. New York: United Nations, 1988.

Dyfyniad MLA

United Nations. Department of International Economic and Social Affairs. First Marriage: Patterns and Determinants. United Nations, 1988.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.