United Nations. Department of International Economic and Social Affairs. (1988). First marriage: Patterns and determinants. United Nations.
Chicago-referens (17:e uppl.)United Nations. Department of International Economic and Social Affairs. First Marriage: Patterns and Determinants. New York: United Nations, 1988.
MLA-referens (9:e uppl.)United Nations. Department of International Economic and Social Affairs. First Marriage: Patterns and Determinants. United Nations, 1988.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.