Kafele, B. K. (2015). The principal 50: Critical leadership questions for inspiring schoolwide excellence = Principal fifty. ASCD.
Chicago-Zitierstil (17. Ausg.)Kafele, Baruti K. The Principal 50: Critical Leadership Questions for Inspiring Schoolwide Excellence = Principal Fifty. Alexandria, Virginia: ASCD, 2015.
MLA-Zitierstil (9. Ausg.)Kafele, Baruti K. The Principal 50: Critical Leadership Questions for Inspiring Schoolwide Excellence = Principal Fifty. ASCD, 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.