1. Beck AT, Emery T (1985) Anxiety disorders and Phobias. New York: Basic Books.
2. Beck AT (1998) Cognitive approaches to panic disorder: theory and therapy. In: Rachman S, Maser JD, editors. Panic, psychological perspectives. Hillsdale, New Yersey: Lawrence erlbaum associates, Inc. 91–111.
3. A cognitive approach to panic;D Clark;Behav Res Ther,1986
4. Clark D (1988) A cognitive model of panic attacks. In: Rachman S, Maser JD, editors. Panic; psychological perspectives. New Yersey: Lawrence Erlbaum associates, Inc.
5. Clark D, Salkovskis P, Gelder M, Koehler K, Martin M, et al.. (1988) Tests of a cognitive theory of panic. In: Hand I, Wittchen H-U, editors. Panic and Phobias, vol 2. Berlin: Springer-Verlag, Inc. 149–158.