Kazdin, A. E. (2003). Methodological issues & strategies in clinical research (3rd ed.). American Psychological Association.
Chicago-viite (17. p.)Kazdin, Alan E. Methodological Issues & Strategies in Clinical Research. 3rd ed. Washington, DC: American Psychological Association, 2003.
MLA-viite (9. p.)Kazdin, Alan E. Methodological Issues & Strategies in Clinical Research. 3rd ed. American Psychological Association, 2003.
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