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APA-referensUnited Nations. (1984). Population projections, methodology of the United Nations: Papers of the United Nations Ad Hoc Expert Group on Demographic Projections, United Nations Headquarters, 16-19 Nov. 1981. United Nations.
Chicago-stil citatUnited Nations. Population Projections, Methodology of the United Nations: Papers of the United Nations Ad Hoc Expert Group on Demographic Projections, United Nations Headquarters, 16-19 Nov. 1981. New York: United Nations, 1984.
MLA-referensUnited Nations. Population Projections, Methodology of the United Nations: Papers of the United Nations Ad Hoc Expert Group on Demographic Projections, United Nations Headquarters, 16-19 Nov. 1981. United Nations, 1984.
Harvard-stil citatUnited Nations. 1984. Population projections, methodology of the United Nations: Papers of the United Nations Ad Hoc Expert Group on Demographic Projections, United Nations Headquarters, 16-19 Nov. 1981. New York: United Nations.