Cummins, L. K., & Byers, K. V. (2011). Policy practice for social workers: New strategies for a new era. Boston: Allyn & Bacon.
استشهاد بنمط شيكاغوCummins, Linda K., و Katharine V. Byers. Policy Practice for Social Workers: New Strategies for a New Era. Boston: Allyn & Bacon, 2011.
MLA استشهادCummins, Linda K., و Katharine V. Byers. Policy Practice for Social Workers: New Strategies for a New Era. Boston: Allyn & Bacon, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.