APA aipamena

Kirkpatrick, T. O., & Lewis, C. T. (1995). Effective supervision: Preparing for the 21st century. Dryden Press.

Chicago Style aipamena

Kirkpatrick, Thomas O., and Chad T. Lewis. Effective Supervision: Preparing for the 21st Century. Forth Worth: Dryden Press, 1995.

MLA aipamena

Kirkpatrick, Thomas O., and Chad T. Lewis. Effective Supervision: Preparing for the 21st Century. Dryden Press, 1995.