Tietueen sitaatit
APA-viiteUnited Nations. Economic Commission for Europe & United Nations Population Fund. (1992). Changing population age structures 1990-2015: Demographic and economic consequences and implications. United Nations.
Chicago-tyylinen lähdeviittausUnited Nations. Economic Commission for Europe ja United Nations Population Fund. Changing Population Age Structures 1990-2015: Demographic and Economic Consequences and Implications. Geneva: United Nations, 1992.
MLA-viiteUnited Nations. Economic Commission for Europe ja United Nations Population Fund. Changing Population Age Structures 1990-2015: Demographic and Economic Consequences and Implications. United Nations, 1992.
Harvard-tyylinen lähdeviittausUnited Nations. Economic Commission for Europe & United Nations Population Fund. 1992. Changing population age structures 1990-2015: Demographic and economic consequences and implications. Geneva: United Nations.