Dees, N. (1965). Approach to adult teaching. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Dees, Norman. Approach to Adult Teaching. Oxford: Pergamon Press, 1965.
Lua MLA (9ú heag.)Dees, Norman. Approach to Adult Teaching. Pergamon Press, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.