Dyfyniad APA

McNeill, P., & Chapman, S. (2005). Research methods (3rd ed.). Routtedge.

Dyfyniad Arddull Chicago

McNeill, Patrick, and Steve Chapman. Research Methods. 3rd ed. New York: Routtedge, 2005.

Dyfyniad MLA

McNeill, Patrick, and Steve Chapman. Research Methods. 3rd ed. Routtedge, 2005.

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