Dyfyniad APA

Kothari, C. G. (2020). Research Methodology (4th.). New Age International Publishers.

Dyfyniad Arddull Chicago

Kothari, C.R Garg. Research Methodology. 4th. New Delhi: New Age International Publishers, 2020.

Dyfyniad MLA

Kothari, C.R Garg. Research Methodology. 4th. New Age International Publishers, 2020.

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