Popple, P. R., & Leighninger, L. (2004). The policy-based profession: An introduction to social welfare policy analysis for social workers. Boston: Pearson/Allyn and Bacon.
Citación estilo ChicagoPopple, Philip R., và Leslie Leighninger. The Policy-based Profession: An Introduction to Social Welfare Policy Analysis for Social Workers. Boston: Pearson/Allyn and Bacon, 2004.
Cita MLAPopple, Philip R., và Leslie Leighninger. The Policy-based Profession: An Introduction to Social Welfare Policy Analysis for Social Workers. Boston: Pearson/Allyn and Bacon, 2004.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.