Callahan, S. G. (1966). Successful teaching in secondary schools: A guide for student and in-service teachers. Scott, Foresman.
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Chicago Style (17th ed.) Zitazioa
Callahan, Sterling Grundy. Successful Teaching in Secondary Schools: A Guide for Student and In-service Teachers. Chicago: Scott, Foresman, 1966.
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MLA (9th ed.) Zitazioa
Callahan, Sterling Grundy. Successful Teaching in Secondary Schools: A Guide for Student and In-service Teachers. Scott, Foresman, 1966.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.