J.D. Huppert and Foa, E. . 2017. “Anxiety Disorders: Cognitive Behavior Therapy”. In B. J. Sadock, V. A. Sadock, & Ruiz, P. (Eds.), Kaplan & Sadock’s Comprehensive Textbook Of Psychiatry (10Th Edition), Pp. 1768-1778. Philadelphia, PA: Lippincott, Williams, & Wilkins,.