Não informado. Thrust for educational leadership. Association of California School Administrators.
Chicago-Zitierstil (17. Ausg.)Não informado. Thrust for Educational Leadership. Burlingame, Calif: Association of California School Administrators.
MLA-Zitierstil (8. Ausg.)Não informado. Thrust for Educational Leadership. Association of California School Administrators.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.