Cox, W. M., & Klinger, E. (2011). Handbook of motivational counseling: Goal-based approaches to assessment and intervention with addiction and other problems (2nd ed.). Wiley-Blackwell.

Cox, W. Miles, and Eric Klinger. Handbook of Motivational Counseling: Goal-based Approaches to Assessment and Intervention with Addiction and Other Problems. 2nd ed. Chichester, West Sussex, Malden, Mass: Wiley-Blackwell, 2011.

Cox, W. Miles, and Eric Klinger. Handbook of Motivational Counseling: Goal-based Approaches to Assessment and Intervention with Addiction and Other Problems. 2nd ed. Wiley-Blackwell, 2011.