Biddle, B. J., & Ellena, W. J. (1964). Contemporary research on teacher effectiveness: Bruce J. Biddle [and others]. Holt, Rinehart and Winston.
Citace podle Chicago (17th ed.)Biddle, Bruce J., a William J. Ellena. Contemporary Research on Teacher Effectiveness: Bruce J. Biddle [and Others]. New York: Holt, Rinehart and Winston, 1964.
Citace podle MLA (9th ed.)Biddle, Bruce J., a William J. Ellena. Contemporary Research on Teacher Effectiveness: Bruce J. Biddle [and Others]. Holt, Rinehart and Winston, 1964.
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