1. Dietrich, G. (1981) Allgemeine Beratungspsychologie. Göttingen Hogrefe
2. Kryspin-Exner I., Lueger-Schuster, B., Weber, G. (Hrsg.) Klinische und Gesundheitspsychologie (1998), WUV Universitätsverlag
3. McLeod, J. (2004). An Introduction to Counselling. Maidenhead: Open University Press
4. Miller, W. R., Rollnick, S. (2002) Motivational Interview: Preparing people for change. New York. Guilford Press
5. Prochaska, J. O. & DiClemente C. C. (1983) Stages and process of self-change in smoking toward an integrative model of change. Journal of Consulting and Clinical Psychology, 5: 390–395