Clark, David A. The anxiety and worry workbook : | the cognitive behavioral solution / David A. Clark and Aaron T. Beck - 1a. ed. - USA : Guilford Press, 2012 - viii, 294 p. ils.; 27 cm. ISBN: 9781606239186 Subjects--Topical Terms: Ansiedad --PrevenciónTerapia cognoscitiva LC Class. No.: BF575.A6 / C53 2012