United Nations. Department of Economic and Social Affairs. (2007). World economic and social survey 2007: Development in an ageing world. United Nations.
Cita Chicago Style (17a ed.)United Nations. Department of Economic and Social Affairs. World Economic and Social Survey 2007: Development in an Ageing World. New York: United Nations, 2007.
Cita MLA (9a ed.)United Nations. Department of Economic and Social Affairs. World Economic and Social Survey 2007: Development in an Ageing World. United Nations, 2007.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.