Não informado. (2008). School administrator. American Association of School Administrators.
Lua i Stíl Chicago (17ú heag.)Não informado. School Administrator. Arlington, Va: American Association of School Administrators, 2008.
Lua MLA (8ú heag.)Não informado. School Administrator. American Association of School Administrators, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.