Kirkpatrick, T. O., & Lewis, C. T. (1995). Effective supervision: Preparing for the 21st century. Dryden Press.
Chicago Style aipamenaKirkpatrick, Thomas O., and Chad T. Lewis. Effective Supervision: Preparing for the 21st Century. Forth Worth: Dryden Press, 1995.
MLA aipamenaKirkpatrick, Thomas O., and Chad T. Lewis. Effective Supervision: Preparing for the 21st Century. Dryden Press, 1995.
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