Dyfyniad APA

Biddle, B. J., & Ellena, W. J. (1964). Contemporary research on teacher effectiveness: Bruce J. Biddle [and others]. Holt, Rinehart and Winston.

Dyfyniad Arddull Chicago

Biddle, Bruce J., and William J. Ellena. Contemporary Research on Teacher Effectiveness: Bruce J. Biddle [and Others]. New York: Holt, Rinehart and Winston, 1964.

Dyfyniad MLA

Biddle, Bruce J., and William J. Ellena. Contemporary Research on Teacher Effectiveness: Bruce J. Biddle [and Others]. Holt, Rinehart and Winston, 1964.

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