Expert Group Meeting on Population and Development Modelling (1979, Geneva). (1981). Population and development modelling: Proceedings of the United Nations/UNFPA Expert Group Meeting on Population and Development Modelling Geneva, 24-28 Sept. 1979 (Conference publication.). United Nations.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Expert Group Meeting on Population and Development Modelling (1979, Geneva). Population and Development Modelling: Proceedings of the United Nations/UNFPA Expert Group Meeting on Population and Development Modelling Geneva, 24-28 Sept. 1979. Conference publication. New York: United Nations, 1981.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Expert Group Meeting on Population and Development Modelling (1979, Geneva). Population and Development Modelling: Proceedings of the United Nations/UNFPA Expert Group Meeting on Population and Development Modelling Geneva, 24-28 Sept. 1979. Conference publication. United Nations, 1981.