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