George, C. S. J. (1992). Supervision in action: The art of managing others (Third edition.). Prentice Hall.
Chicago-viite (17. p.)George, Claude S. Jr. Supervision in Action: The Art of Managing Others. Third edition. New York: Prentice Hall, 1992.
MLA-viite (9. p.)George, Claude S. Jr. Supervision in Action: The Art of Managing Others. Third edition. Prentice Hall, 1992.
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