References
* Cartwright-Hatton, S., & Wells, A. (1997). Beliefs about worry and intrusions: The meta-cognitions questionnaire and its correlates. Journal of Anxiety Disorders, 11, 279–296. * Cartwright-Hatton, S., Mather, A., Illingworth, V., Brocki, J., Harrington, R. & Wells, A. (2004). Development and preliminary validation of the Meta-cognition Questionnaire- Adolescent version. Journal of Anxiety Disorder, 18, 411-422. * Wells, A. (2009). Metacognitive therapy for anxiety and depression. New York: Guilford Press. * Wells, A., & Cartwright-Hatton, S. (2004). A short form of the metacognitions questionnaire: properties of the MCQ-30. Behaviour Research and Therapy, 42, 385–396. * Wells, A., Gwilliam, P., & Cartwright-Hatton, S. (2001). The Thought Fusion Instrument (TFI). Manchester, UK: University of Manchester. * Wells, A., & Mathews, G. (1994). Attention and emotion. A clinical perspective. Hove, UK: Lawrence Erlbaum & Associates.External links