1. Torpy, J.M., Burke, A.E., Golub, R.M.: Generalized anxiety disorder. JAMA 305(5), 522 (2011)
2. American Psychological Association: Beyond worry: how psychologists help with anxiety disorders. http://www.apa.org/helpcenter/anxiety.aspx
3. Bandelow, B., Michaelis, S., Wedekind, D.: Treatment of anxiety disorders. Dialogues Clin. Neurosci. 19, 93–107 (2017)
4. Beck, A.T.: Cognitive Therapy and the Emotional Disorders. International Universities Press, Madison (1976)
5. Beck, J.S.: Cognitive Therapy: Basics and Beyond. Guilford Press, New York (2011)