Não informado. Thrust for educational leadership. Association of California School Administrators.
Lua i Stíl Chicago (17ú heag.)Não informado. Thrust for Educational Leadership. Burlingame, Calif: Association of California School Administrators.
Lua MLA (8ú heag.)Não informado. Thrust for Educational Leadership. Association of California School Administrators.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.