OSTEN, K. A. S. (2014). Integrating 12-steps and psychotherapy: Helping clients find sobriety and recovery. SAGE.
Chicago-viite (17. p.)OSTEN, Kevin A. Switzer. Integrating 12-steps and Psychotherapy: Helping Clients Find Sobriety and Recovery. SAGE, 2014.
MLA-viite (9. p.)OSTEN, Kevin A. Switzer. Integrating 12-steps and Psychotherapy: Helping Clients Find Sobriety and Recovery. SAGE, 2014.
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