Flett, G. L., & Hewitt, P. L. (2002). Perfectionism: Theory, research, and treatment. American Psychological Association.
Chicago Style (17. basım) AtıfFlett, Gordon L., ve Paul L. Hewitt. Perfectionism: Theory, Research, and Treatment. Washington, DC: American Psychological Association, 2002.
MLA (9th ed.) AtıfFlett, Gordon L., ve Paul L. Hewitt. Perfectionism: Theory, Research, and Treatment. American Psychological Association, 2002.
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