Barker, C., Pistrang, N., & Elliott, R. (2016). Research methods in clinical psychology: An introduction for students and practitioners (Third edition.). John Wiley & Sons, Ltd.
Chicago-referens (17:e uppl.)Barker, Chris, Nancy Pistrang, och Robert Elliott. Research Methods in Clinical Psychology: An Introduction for Students and Practitioners. Third edition. Chichester, West Sussex, [England]: John Wiley & Sons, Ltd, 2016.
MLA-referens (9:e uppl.)Barker, Chris, et al. Research Methods in Clinical Psychology: An Introduction for Students and Practitioners. Third edition. John Wiley & Sons, Ltd, 2016.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.