Stronge, J. H., Richard, H. B., & Catano, N. (2008). Qualities of effective principals. Association for Supervision and Curriculum Development.
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Dyfyniad Arddull Chicago
Stronge, James H., Holly B. Richard, and Nancy Catano. Qualities of Effective Principals. Alexandria, VA: Association for Supervision and Curriculum Development, 2008.
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Dyfyniad MLA
Stronge, James H., et al. Qualities of Effective Principals. Association for Supervision and Curriculum Development, 2008.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.