Flett‚ G. L.‚ Hewitt‚ P. L.‚ Boucher‚ D. J.‚ Davidson‚ L. A.‚ & Munro‚ Y. (1997). The child-adolescent perfectionism scale: Development‚ validation‚ and association with adjustment. Unpublished manuscript‚ York University‚ Toronto.
Flett‚ G. L.‚ Hewitt‚ P. L.‚ Blankstein‚ K. R.‚ & Gray‚ L. (1998). Psychological distress and the frequency of perfectionistic thinking. Journal of Personality and Social Psychology‚ 75‚ 1363–1381.
Flett‚ Gordon L.‚ Hewitt‚ Paul L.‚ Heisell‚ Marnin J. (2002). Perfectionistic Automatic Thoughts and Psychological Distress. Journal of Rational-Emotive & Cognitive-Behavior Therapy‚ Vol. 20‚ 33-47.
Flett‚ G. L.‚ Hewitt‚ P. L.‚ Whelan‚ T.‚ & Martin‚ T. R. (2007). The perfectionism cognitions inventory: Psychometric properties and associations with distress and deficits in cognitive self-management. Journal of Rational-Emotive & Cognitive-Behavior Therapy‚ 25‚ 255–277.
Flett‚ Gordon L.‚ Hewitt‚ Paul L.‚ Demerjian‚ Aline. Et al (2012). Perfectionistic Automatic Thoughts and Psychological Distress in Adolescents: An Analysis of the Perfectionism Cognitions Inventory. Journal of Rational-Emotive & Cognitive-Behavior Therapy‚ 30: 91-104