APA-viite (7. p.)
ebrary, Inc, & O'Hagan, K. (2007). Competence in social work practice: A practical guide for students and professionals (2nd ed.). Jessica Kingsley Publishers.
Chicago-viite (17. p.)
ebrary, Inc, ja Kieran O'Hagan. Competence in Social Work Practice: A Practical Guide for Students and Professionals. 2nd ed. London: Jessica Kingsley Publishers, 2007.
MLA-viite (9. p.)
ebrary, Inc, ja Kieran O'Hagan. Competence in Social Work Practice: A Practical Guide for Students and Professionals. 2nd ed. Jessica Kingsley Publishers, 2007.
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