Goodlad, J. I., & Klein, M. F. (1974). Looking behind the classroom door: A useful guide to observing schools in action. C. A. Jones Pub.
Chicago Style (17. basım) AtıfGoodlad, John I., ve Minnie Frances Klein. Looking Behind the Classroom Door: A Useful Guide to Observing Schools in Action. Worthington, Ohio: C. A. Jones Pub, 1974.
MLA (9th ed.) AtıfGoodlad, John I., ve Minnie Frances Klein. Looking Behind the Classroom Door: A Useful Guide to Observing Schools in Action. C. A. Jones Pub, 1974.
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