United Nations. Department of International Economic and Social Affairs. (1988). First marriage: Patterns and determinants. United Nations.
芝加哥风格引文United Nations. Department of International Economic and Social Affairs. First Marriage: Patterns and Determinants. New York: United Nations, 1988.
MLA引文United Nations. Department of International Economic and Social Affairs. First Marriage: Patterns and Determinants. United Nations, 1988.
警告：这些引文格式不一定是100％准确.