United Nations. Department of International Economic and Social Affairs. (1990). Patterns of first marriage: Timing and prevalence. United Nations.
Chicago-Zitierstil (17. Ausg.)United Nations. Department of International Economic and Social Affairs. Patterns of First Marriage: Timing and Prevalence. New York: United Nations, 1990.
MLA-Zitierstil (9. Ausg.)United Nations. Department of International Economic and Social Affairs. Patterns of First Marriage: Timing and Prevalence. United Nations, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.