APA-čujuhus (7. p.)
Popple, P. R., & Leighninger, L. (1993). Social work, social welfare, and American society (2nd ed.). Allyn and Bacon.
Chicago-čujuhus (17. p.)
Popple, Philip R., juo Leslie Leighninger. Social Work, Social Welfare, and American Society. 2nd ed. Boston: Allyn and Bacon, 1993.
MLA-čujuhus (9. p.)
Popple, Philip R., juo Leslie Leighninger. Social Work, Social Welfare, and American Society. 2nd ed. Allyn and Bacon, 1993.
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