Bush, T., & Bell, L. (2002). The principles and practice of educational management. Paul Chapman Publishing ; Sage Publications.
Lua i Stíl Chicago (17ú heag.)Bush, Tony, agus Les Bell. The Principles and Practice of Educational Management. London : Thousand Oaks, Calif: Paul Chapman Publishing ; Sage Publications, 2002.
Lua MLA (8ú heag.)Bush, Tony, agus Les Bell. The Principles and Practice of Educational Management. Paul Chapman Publishing ; Sage Publications, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.