United Nations. Department of International Economic and Social Affairs. (1988). First marriage: Patterns and determinants. United Nations.
Chicago-viite (17. p.)United Nations. Department of International Economic and Social Affairs. First Marriage: Patterns and Determinants. New York: United Nations, 1988.
MLA-viite (9. p.)United Nations. Department of International Economic and Social Affairs. First Marriage: Patterns and Determinants. United Nations, 1988.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.