Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.