Harper, D. (2012). Qualitative research methods in mental health and psychotherapy: A guide for students and practitioners. Wiley-Blackwell.
Chicago-Zitierstil (17. Ausg.)Harper, David. Qualitative Research Methods in Mental Health and Psychotherapy: A Guide for Students and Practitioners. Chichester, West Sussex [u.a.]: Wiley-Blackwell, 2012.
MLA-Zitierstil (9. Ausg.)Harper, David. Qualitative Research Methods in Mental Health and Psychotherapy: A Guide for Students and Practitioners. Wiley-Blackwell, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.