Dyfyniad APA

Kumar, R. (2014). Research methodology: A step-by-step guide for beginners (Fourth edition.). SAGE.

Dyfyniad Arddull Chicago

Kumar, Ranjit. Research Methodology: A Step-by-step Guide for Beginners. Fourth edition. London: SAGE, 2014.

Dyfyniad MLA

Kumar, Ranjit. Research Methodology: A Step-by-step Guide for Beginners. Fourth edition. SAGE, 2014.

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