Dyfyniad APA

C.R.Kothari. (2004). Research methodology (2nd rev.ed.). New Age International.

Dyfyniad Arddull Chicago

C.R.Kothari. Research Methodology. 2nd rev.ed. New Delhi: New Age International, 2004.

Dyfyniad MLA

C.R.Kothari. Research Methodology. 2nd rev.ed. New Age International, 2004.

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