Dyfyniad APA

Travers, R. M. W. (1978). An introduction to educational research (4th ed.). Macmillan.

Dyfyniad Arddull Chicago

Travers, Robert M. W. An Introduction to Educational Research. 4th ed. New York: Macmillan, 1978.

Dyfyniad MLA

Travers, Robert M. W. An Introduction to Educational Research. 4th ed. Macmillan, 1978.

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