Dyfyniad APA

Verma R. K. & Verma, G. (1989). Research methodology. Common Wealth Publishers.

Dyfyniad Arddull Chicago

Verma R. K. and Gopal Verma. Research Methodology. New Delhi: Common Wealth Publishers, 1989.

Dyfyniad MLA

Verma R. K. and Gopal Verma. Research Methodology. Common Wealth Publishers, 1989.

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