American Psychiatric Association (http://www.psych.org)

American Psychological Association (http://www.apa.org)

Anxiety Disorders Association of America (http://www.adaa.org)

Association for Behavioral and Cognitive Therapies (http://www.aabt.org/)

National Association of Cognitive-Behavioral Therapists (http://www.nacbt.org/)

National Institute of Mental Health (http://www.nimh.nih.gov/health/topics/anxiety-disorders/index.shtml)

Wright JH, Basco MR, Thase ME. Learning cognitive-behavior therapy: an illustrated guide. In: Gabbard GO, ed. Core Competencies in Psychotherapy. Arlington, Va.: American Psychiatric Publishing; 2006.