| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Leadership | 978-0-324-31697-1 | 2006 | Robert N. Lussier |
| Leadership: Theory, Application, & Skill Development | 978-0-324-59655-7 | 2009 | " |
| Leadership: Theory, Application, and Skill Development | 978-0-324-04166-8 | 2000 | " |
| Leadership: Theory, Application, Skill Development | 978-0-324-15556-3 | 2003 | " |