OSTEN, K. A. S. (2014). Integrating 12-steps and psychotherapy: Helping clients find sobriety and recovery. SAGE.
Lua i Stíl Chicago (17ú heag.)OSTEN, Kevin A. Switzer. Integrating 12-steps and Psychotherapy: Helping Clients Find Sobriety and Recovery. SAGE, 2014.
Lua MLA (9ú heag.)OSTEN, Kevin A. Switzer. Integrating 12-steps and Psychotherapy: Helping Clients Find Sobriety and Recovery. SAGE, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.