Gage, N. L. (1972). Teacher effectiveness and teacher education: The search for a scientific basis. Pacific Books.
Cita Chicago (17th ed.)Gage, N. L. Teacher Effectiveness and Teacher Education: The Search for a Scientific Basis. Palo Alto, Calif: Pacific Books, 1972.
Cita MLA (9th ed.)Gage, N. L. Teacher Effectiveness and Teacher Education: The Search for a Scientific Basis. Pacific Books, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.