Cita APA (7th ed.)
Callahan, S. G. (1966). Successful teaching in secondary schools: A guide for student and in-service teachers. Scott, Foresman.
Cita Chicago (17th ed.)
Callahan, Sterling Grundy. Successful Teaching in Secondary Schools: A Guide for Student and In-service Teachers. Chicago: Scott, Foresman, 1966.
Cita MLA (9th ed.)
Callahan, Sterling Grundy. Successful Teaching in Secondary Schools: A Guide for Student and In-service Teachers. Scott, Foresman, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.