APA aipamena

Callahan, J. F., & Clark, L. H. C. (1990). Teaching in the middle and secondary schools (3.).

Chicago Style aipamena

Callahan, Joseph F., and Leonard H Clark Clark. Teaching in the Middle and Secondary Schools. 3. New York, MacMillan Publishing Company, 1990.

MLA aipamena

Callahan, Joseph F., and Leonard H Clark Clark. Teaching in the Middle and Secondary Schools. 3. 1990.

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