Gordon, T., & Burch, N. (1974). T.E.T., teacher effectiveness training. P. H. Wyden.
Lua i Stíl Chicago (17ú heag.)Gordon, Thomas, agus Noel Burch. T.E.T., Teacher Effectiveness Training. New York: P. H. Wyden, 1974.
Lua MLA (9ú heag.)Gordon, Thomas, agus Noel Burch. T.E.T., Teacher Effectiveness Training. P. H. Wyden, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.