1. Alligood, M. R. (2013). Nursing theory: Utilization & application (5th ed.). St. Louis: Mosby Elsevier.
2. Barber, J. P., Krakauer, I., Calvo, N., Badgio, P. C., & Faude, J. (1997). Measuring adherence and competence of dynamic therapists in the treatment of cocaine dependence. The Journal of Psychotherapy Practice and Research, 6, 12–24.
3. Barile, J. P., Reeve, B. B., Smith, A. W., Zack, M. M., Mitchell, S. A., Kobau, R., et al. (2012). Monitoring population health for Healthy People 2020: Evaluation of the NIH PROMIS® Global Health, CDC Healthy Days, and satisfaction with life instruments. Quality of Life Research, 22(6), 1201–1211.
4. Beck, J. S. (1995). Cognitive therapy: Basics and beyond. New York: Guilford Press.
5. Beck, A. T., Rush, A. J., Shaw, B. F., & Emery, G. (1979). Cognitive therapy of depression. New York: Guilford Press.