Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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