United Nations. Department of International Economic and Social Affairs. (1982). World population trends and policies, 1981 monitoring report. United Nations.
Citação do estilo Chicago (17ª ed.)United Nations. Department of International Economic and Social Affairs. World Population Trends and Policies, 1981 Monitoring Report. New York: United Nations, 1982.
Citação MLA (9ª ed.)United Nations. Department of International Economic and Social Affairs. World Population Trends and Policies, 1981 Monitoring Report. United Nations, 1982.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.