Hiebert, M., & Klatt, B. (2001). The encyclopedia of leadership: A practical guide to popular leadership theories and techniques. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Hiebert, Murray, agus Bruce Klatt. The Encyclopedia of Leadership: A Practical Guide to Popular Leadership Theories and Techniques. New York: McGraw-Hill, 2001.
Lua MLA (9ú heag.)Hiebert, Murray, agus Bruce Klatt. The Encyclopedia of Leadership: A Practical Guide to Popular Leadership Theories and Techniques. McGraw-Hill, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.