O'Hagan, K. (1996). Competence in social work practice: A practical guide for professionals. J. Kingsley Publishers.
Chicago-viite (17. p.)O'Hagan, Kieran. Competence in Social Work Practice: A Practical Guide for Professionals. London: J. Kingsley Publishers, 1996.
MLA-viite (9. p.)O'Hagan, Kieran. Competence in Social Work Practice: A Practical Guide for Professionals. J. Kingsley Publishers, 1996.
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