Popple, P. R., & Leighninger, L. (1996). Social work, social welfare, and American society. Boston: Allyn and Bacon.
Chicago Style aipamenaPopple, Philip R., và Leslie Leighninger. Social Work, Social Welfare, and American Society. Boston: Allyn and Bacon, 1996.
MLA aipamenaPopple, Philip R., và Leslie Leighninger. Social Work, Social Welfare, and American Society. Boston: Allyn and Bacon, 1996.
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