National Institutes of Health. Psychotherapies. National Institute of Mental Health. http://www.nimh.nih.gov/health/topics/psychotherapies/index.shtml. Accessed July 2016.
Ford-Martin P. Cognitive Therapy – Purpose, Treatment techniques, Preparation, Typical results. http://psychology.jrank.org/pages/127/Cognitive-Therapy.html. Accessed 2/21/16.
Herkopv M. About Cognitive Psychotherapy. PsychCentral. http://psychcentral.com/lib/about-cognitive-psychotherapy/. 2013. Accessed 2/21/16.