DuFour, R., & DuFour, R. B. (2012). Essentials for principals: The school leader's guide to professional learning communities at work. Solution Tree Press.
Citace podle Chicago (17th ed.)DuFour, Richard, a Rebecca Burnette DuFour. Essentials for Principals: The School Leader's Guide to Professional Learning Communities at Work. Bloomington, Ind.: Solution Tree Press, 2012.
Citace podle MLA (9th ed.)DuFour, Richard, a Rebecca Burnette DuFour. Essentials for Principals: The School Leader's Guide to Professional Learning Communities at Work. Solution Tree Press, 2012.
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