United Nations. Department of Economic and Social Affairs. (2008). Regional dimensions of the ageing situation. United Nations.
Chicagoスタイル(17版)引用形式United Nations. Department of Economic and Social Affairs. Regional Dimensions of the Ageing Situation. New York: United Nations, 2008.
MLA(9版)引用形式United Nations. Department of Economic and Social Affairs. Regional Dimensions of the Ageing Situation. United Nations, 2008.
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