Kazdin, A. E. (2003). Methodological issues & strategies in clinical research (3rd ed.). American Psychological Association.
Chicago-referens (17:e uppl.)Kazdin, Alan E. Methodological Issues & Strategies in Clinical Research. 3rd ed. Washington, DC: American Psychological Association, 2003.
MLA-referens (9:e uppl.)Kazdin, Alan E. Methodological Issues & Strategies in Clinical Research. 3rd ed. American Psychological Association, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.