Villani, S. (1999). Are you sure you're the principal?: On being an authentic leader. Corwin Press.
Chicago-Zitierstil (17. Ausg.)Villani, Susan. Are You Sure You're the Principal?: On Being an Authentic Leader. Thousand Oaks, Calif: Corwin Press, 1999.
MLA-Zitierstil (9. Ausg.)Villani, Susan. Are You Sure You're the Principal?: On Being an Authentic Leader. Corwin Press, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.