APA (7th ed.) Zitazioa
Howe, D. (2009). A brief introduction to social work theory. Palgrave macmillan.
Chicago Style (17th ed.) Zitazioa
Howe, David. A Brief Introduction to Social Work Theory. Hampshire: Palgrave macmillan, 2009.
MLA (9th ed.) Zitazioa
Howe, David. A Brief Introduction to Social Work Theory. Palgrave macmillan, 2009.
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