APA (7e ed.) Bronvermelding
Kafele, B. K. (2015). Principal 50: Critical leadership questions for inspiring schoolwide excellence. ASCD.
Chicago (17e ed.) Bronvermelding
Kafele, Baruti K. Principal 50: Critical Leadership Questions for Inspiring Schoolwide Excellence. Alexandria, Virginia: ASCD, 2015.
MLA (9e ed.) Bronvermelding
Kafele, Baruti K. Principal 50: Critical Leadership Questions for Inspiring Schoolwide Excellence. ASCD, 2015.
Let op: Deze citaties zijn niet altijd 100% accuraat.