United Nations. Economic Commission for Europe & United Nations. Population Fund. (1992). Changing population age structures : demographic and economic consequences and implications: Demographic and economic consequences and implications. United Nations.
Chicago Style (17th ed.) CitationUnited Nations. Economic Commission for Europe and United Nations. Population Fund. Changing Population Age Structures : Demographic and Economic Consequences and Implications: Demographic and Economic Consequences and Implications. Geneva: United Nations, 1992.
MLA (9th ed.) CitationUnited Nations. Economic Commission for Europe and United Nations. Population Fund. Changing Population Age Structures : Demographic and Economic Consequences and Implications: Demographic and Economic Consequences and Implications. United Nations, 1992.