Peterson, A. D. C. (1965). Technique of teaching. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Peterson, Alexander Duncan Campbell. Technique of Teaching. Oxford: Pergamon Press, 1965.
Lua MLA (9ú heag.)Peterson, Alexander Duncan Campbell. Technique of Teaching. Pergamon Press, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.