Stronge, J. H., Richard, H. B., & Catano, N. (2008). Qualities of effective principals. Association for Supervision and Curriculum Development.
Chicago-Zitierstil (17. Ausg.)Stronge, James H., Holly B. Richard, und Nancy Catano. Qualities of Effective Principals. Alexandria, VA: Association for Supervision and Curriculum Development, 2008.
MLA-Zitierstil (9. Ausg.)Stronge, James H., et al. Qualities of Effective Principals. Association for Supervision and Curriculum Development, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.