Popple, P. R., & Leighninger, L. (2011). The policy-based profession: An introduction to social welfare policy analysis for social workers (5th ed.). Boston, MA: Allyn & Bacon.
Chicago-стиль цитированияPopple, Philip R., và Leslie Leighninger. The Policy-based Profession: An Introduction to Social Welfare Policy Analysis for Social Workers. 5th ed. Boston, MA: Allyn & Bacon, 2011.
MLA-цитированиеPopple, Philip R., và Leslie Leighninger. The Policy-based Profession: An Introduction to Social Welfare Policy Analysis for Social Workers. 5th ed. Boston, MA: Allyn & Bacon, 2011.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.