Dyfyniad APA

KOTHARI C R. (1990). RESEARCH METHODOLOGY: METHODS & TECHNIQUES (2ND.). WISHWA PRAKASHAN.

Dyfyniad Arddull Chicago

KOTHARI C R. RESEARCH METHODOLOGY: METHODS & TECHNIQUES. 2ND. MUMBAI: WISHWA PRAKASHAN, 1990.

Dyfyniad MLA

KOTHARI C R. RESEARCH METHODOLOGY: METHODS & TECHNIQUES. 2ND. WISHWA PRAKASHAN, 1990.

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