| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Dialogues with the Executive Coach: How Coaching Sounds, How It Works, and Why It Develops Leaders | 978-0-9704606-7-7 (0-9704606-7-8) | 2006 | Mark Kelly · Robert Ferguson |
| Mastering Team Leadership: 7 Essential Coaching Skills | 978-0-9704606-0-8 (0-9704606-0-0) | 2001 | Mark Kelly · Robert Ferguson |