Wacker, R. R. R. (2011). Aging social policies: An international perspective. Sage.
シカゴスタイル引用形Wacker, Robbyn R. Roberto. Aging Social Policies: An International Perspective. California: Sage, 2011.
MLA引用形式Wacker, Robbyn R. Roberto. Aging Social Policies: An International Perspective. Sage, 2011.
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