Cummins, L. K., & Byers, K. V. (2011). Policy practice for social workers: New strategies for a new era. Boston: Allyn & Bacon.
Chicago Style aipamenaCummins, Linda K., và Katharine V. Byers. Policy Practice for Social Workers: New Strategies for a New Era. Boston: Allyn & Bacon, 2011.
MLA aipamenaCummins, Linda K., và Katharine V. Byers. Policy Practice for Social Workers: New Strategies for a New Era. Boston: Allyn & Bacon, 2011.
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