Ashman, K. K. K. (2010). Introduction to social work & social welfare: Critical thinking perspectives (3 rd. ed.). Brooks Cole.
Chicago-viite (17. p.)Ashman, Karen K. Kirst. Introduction to Social Work & Social Welfare: Critical Thinking Perspectives. 3 rd. ed. Belmont: Brooks Cole, 2010.
MLA-viite (9. p.)Ashman, Karen K. Kirst. Introduction to Social Work & Social Welfare: Critical Thinking Perspectives. 3 rd. ed. Brooks Cole, 2010.
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