Fondo de Población de las Naciones Unidas. (1981). Population and development modelling: Proceedings of the United Nations/UNFPA Expert Group Meeting on Population and Development Modelling, Geneva, 24-28 September, 1979. United Nations.
Cita Chicago Style (17a ed.)Fondo de Población de las Naciones Unidas. Population and Development Modelling: Proceedings of the United Nations/UNFPA Expert Group Meeting on Population and Development Modelling, Geneva, 24-28 September, 1979. New York: United Nations, 1981.
Cita MLA (9a ed.)Fondo de Población de las Naciones Unidas. Population and Development Modelling: Proceedings of the United Nations/UNFPA Expert Group Meeting on Population and Development Modelling, Geneva, 24-28 September, 1979. United Nations, 1981.