Wiles, J., & Bondi, J. (1991). Supervision: A guide to practice (3rd ed.). Macmillan.
Lua i Stíl Chicago (17ú heag.)Wiles, Jon, agus Joseph Bondi. Supervision: A Guide to Practice. 3rd ed. New York: Macmillan, 1991.
Lua MLA (9ú heag.)Wiles, Jon, agus Joseph Bondi. Supervision: A Guide to Practice. 3rd ed. Macmillan, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.