Dyfyniad APA

Best, J. W., & Kahn, J. (2003). Research in education (7th ed.). Prentice-Hall of India.

Dyfyniad Arddull Chicago

Best, John W., and James Kahn. Research in Education. 7th ed. New Delhi: Prentice-Hall of India, 2003.

Dyfyniad MLA

Best, John W., and James Kahn. Research in Education. 7th ed. Prentice-Hall of India, 2003.

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