Gordon, T., & Burch, N. (1974). T.E.T., teacher effectiveness training. P. H. Wyden.
Cita Chicago (17th ed.)Gordon, Thomas, i Noel Burch. T.E.T., Teacher Effectiveness Training. New York: P. H. Wyden, 1974.
Cita MLA (9th ed.)Gordon, Thomas, i Noel Burch. T.E.T., Teacher Effectiveness Training. P. H. Wyden, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.