Παραπομπή APA

Pattoon, M. Q. (1990). Qualitative evaluation and research methods (2nd ed.). Sage.

Παραπομπή Chicago Style

Pattoon, Michael Quinn. Qualitative Evaluation and Research Methods. 2nd ed. London: Sage, 1990.

Παραπομπή MLA

Pattoon, Michael Quinn. Qualitative Evaluation and Research Methods. 2nd ed. Sage, 1990.