Stronge, J. H., Xu, X., Leeper, L. M., & Tonneson, V. C. (2013). Principal evaluation: Standards, rubrics, and tools for effective performance. ASCD.
Lua i Stíl Chicago (17ú heag.)Stronge, James H., Xianxuan Xu, Lauri M. Leeper, agus Virginia C. Tonneson. Principal Evaluation: Standards, Rubrics, and Tools for Effective Performance. Alexandria, Va.: ASCD, 2013.
Lua MLA (9ú heag.)Stronge, James H., et al. Principal Evaluation: Standards, Rubrics, and Tools for Effective Performance. ASCD, 2013.
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