Johnson, L. C. (1998). Social work practice: A generalist approach (6th ed.). Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Johnson, Louise C. Social Work Practice: A Generalist Approach. 6th ed. Boston: Allyn and Bacon, 1998.
Lua MLA (9ú heag.)Johnson, Louise C. Social Work Practice: A Generalist Approach. 6th ed. Allyn and Bacon, 1998.
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