Dyfyniad APA

Strayer, G. D., & Engelhardt, N. L. (1920). The classroom teacher at work in American schools. American Book company.

Dyfyniad Arddull Chicago

Strayer, George Drayton, and N. L. Engelhardt. The Classroom Teacher at Work in American Schools. New York: American Book company, 1920.

Dyfyniad MLA

Strayer, George Drayton, and N. L. Engelhardt. The Classroom Teacher at Work in American Schools. American Book company, 1920.

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