DuFour, R., & DuFour, R. B. (2012). Essentials for principals: The school leader's guide to professional learning communities at work. Solution Tree Press.
Chicago-Zitierstil (17. Ausg.)DuFour, Richard, und Rebecca Burnette DuFour. Essentials for Principals: The School Leader's Guide to Professional Learning Communities at Work. Bloomington, Ind.: Solution Tree Press, 2012.
MLA-Zitierstil (9. Ausg.)DuFour, Richard, und Rebecca Burnette DuFour. Essentials for Principals: The School Leader's Guide to Professional Learning Communities at Work. Solution Tree Press, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.