Kirkpatrick, T. O., & Lewis, C. T. (1995). Effective supervision: Preparing for the 21st century. Dryden Press.
Chicago-viite (17. p.)Kirkpatrick, Thomas O., ja Chad T. Lewis. Effective Supervision: Preparing for the 21st Century. Forth Worth: Dryden Press, 1995.
MLA-viite (9. p.)Kirkpatrick, Thomas O., ja Chad T. Lewis. Effective Supervision: Preparing for the 21st Century. Dryden Press, 1995.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.