Kazdin, A. E. (1998). Methodological issues & strategies in clinical research (2nd ed.). American Psychological Association.
Chicago-viite (17. p.)Kazdin, Alan E. Methodological Issues & Strategies in Clinical Research. 2nd ed. Washington, DC: American Psychological Association, 1998.
MLA-viite (9. p.)Kazdin, Alan E. Methodological Issues & Strategies in Clinical Research. 2nd ed. American Psychological Association, 1998.
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