Hale, J. A., Fisher, M., & Jacobs, H. H. (2013). Upgrade your curriculum: Practical ways to transform units and engage students. ASCD.
Lua i Stíl Chicago (17ú heag.)Hale, Janet A., Michael Fisher, agus Heidi Hayes Jacobs. Upgrade Your Curriculum: Practical Ways to Transform Units and Engage Students. Alexandria, Va.: ASCD, 2013.
Lua MLA (9ú heag.)Hale, Janet A., et al. Upgrade Your Curriculum: Practical Ways to Transform Units and Engage Students. ASCD, 2013.
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