APA引文

Robbyn R Wacker & Karen A Roberto. (2011). Aging social policies: An international perspective. Sage.

Chicago Edition Citation

Robbyn R Wacker and Karen A Roberto. Aging Social Policies: An International Perspective. California: Sage, 2011.

MLA引文

Robbyn R Wacker and Karen A Roberto. Aging Social Policies: An International Perspective. Sage, 2011.