Dyfyniad APA

Kothari, C. (2004). Research methodology: Methods and techniques (2nd ed.). New age international (P) limited.

Dyfyniad Arddull Chicago

Kothari, C.R. Research Methodology: Methods and Techniques. 2nd ed. New Delhi: New age international (P) limited, 2004.

Dyfyniad MLA

Kothari, C.R. Research Methodology: Methods and Techniques. 2nd ed. New age international (P) limited, 2004.

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