Παραπομπή APA

Patton, M. Q. (2002). Qualitative research and evaluation methods (3rd.). Sage.

Παραπομπή Chicago Style

Patton, Michael Quinn. Qualitative Research and Evaluation Methods. 3rd. London: Sage, 2002.

Παραπομπή MLA

Patton, Michael Quinn. Qualitative Research and Evaluation Methods. 3rd. Sage, 2002.