Hewitt, P. L., Flett, G. L., & Mikail, S. F. (2017)
Perfectionism: A Relational Approach to Conceptualization, Assessment, and Treatment.
New York: Guildford Press
Linden, W. & Hewitt, P. L. (2012)
A Clinical Psychology: A Modern Health Profession.
Boston: Pearson
Hewitt, P. L. & Flett, G. L. (2004)
The Multidimensional Perfectionism Scale: Technical Manual.
Toronto: Multihealth Systems Inc.
Flett, G. L. & Hewitt, P. L. (2002)
Perfectionism: Theory, Research and Treatment.
Washington: American Psychological