Παραπομπή APA

Callahan, J. F. (1977). Teaching in the elementary school: Planning for competence. New York: MacMillan.

Παραπομπή Chicago Style

Callahan, Joseph F. Teaching in the Elementary School: Planning for Competence. New York: MacMillan, 1977.

Παραπομπή MLA

Callahan, Joseph F. Teaching in the Elementary School: Planning for Competence. New York: MacMillan, 1977.

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