APA aipamena

Cummins, L. K., & Byers, K. V. (2011). Policy practice for social workers: New strategies for a new era. Boston: Allyn & Bacon.

Chicago Style aipamena

Cummins, Linda K., và Katharine V. Byers. Policy Practice for Social Workers: New Strategies for a New Era. Boston: Allyn & Bacon, 2011.

MLA aipamena

Cummins, Linda K., và Katharine V. Byers. Policy Practice for Social Workers: New Strategies for a New Era. Boston: Allyn & Bacon, 2011.