United Nations. Department of International Economic and Social Affairs. (1988). First marriage: Patterns and determinants. United Nations.
Citação do estilo Chicago (17ª ed.)United Nations. Department of International Economic and Social Affairs. First Marriage: Patterns and Determinants. New York: United Nations, 1988.
Citação MLA (9ª ed.)United Nations. Department of International Economic and Social Affairs. First Marriage: Patterns and Determinants. United Nations, 1988.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.