Dyfyniad APA

Perrin, R. (2005). Handbook for college research (3rd ed.). Houghton Mifflin Company.

Dyfyniad Arddull Chicago

Perrin, Robert. Handbook for College Research. 3rd ed. Boston, New York: Houghton Mifflin Company, 2005.

Dyfyniad MLA

Perrin, Robert. Handbook for College Research. 3rd ed. Houghton Mifflin Company, 2005.

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