APA-viite (7. p.)
ebrary, Inc, Frost, R. O., & Steketee, G. (2002). Cognitive approaches to obsessions and compulsions: Theory, assessment, and treatment. Pergamon.
Chicago-viite (17. p.)
ebrary, Inc, Randy O. Frost, ja Gail Steketee. Cognitive Approaches to Obsessions and Compulsions: Theory, Assessment, and Treatment. Amsterdam ; New York: Pergamon, 2002.
MLA-viite (9. p.)
ebrary, Inc, et al. Cognitive Approaches to Obsessions and Compulsions: Theory, Assessment, and Treatment. Pergamon, 2002.
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