Sergiovanni, T. J. (1987). The principalship: A reflective practice perspective. Allyn & Bacon.
Čikaški stil citiranja (17. izdanje)Sergiovanni, Thomas J. The Principalship: A Reflective Practice Perspective. Boston, Mass: Allyn & Bacon, 1987.
MLA način citiranja (9. izdanje)Sergiovanni, Thomas J. The Principalship: A Reflective Practice Perspective. Allyn & Bacon, 1987.
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