KLINGELE, W. (1979). Teaching in middle schools. Allyn and Bacon.
Chicago Style (17. basım) AtıfKLINGELE, William. Teaching in Middle Schools. Boston: Allyn and Bacon, 1979.
MLA (9th ed.) AtıfKLINGELE, William. Teaching in Middle Schools. Allyn and Bacon, 1979.
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