Stronge, J. H., Richard, H. B., & Catano, N. (2008). Qualities of effective principals. Association for Supervision and Curriculum Development.
Citace podle Chicago (17th ed.)Stronge, James H., Holly B. Richard, a Nancy Catano. Qualities of Effective Principals. Alexandria, VA: Association for Supervision and Curriculum Development, 2008.
Citace podle MLA (9th ed.)Stronge, James H., et al. Qualities of Effective Principals. Association for Supervision and Curriculum Development, 2008.
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