| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Commonsense Leadership: No Nonsense Rules for Improving Your Mental Game and Increasing Your Team's Performance | 978-1-119-28782-7 (1-119-28782-0) | 2016 |
| Psychology of Coaching: Theory and Application | 978-0-02-371430-6 (0-02-371430-1) | 1982 |
J. H. · J. L. · J. Llewellyn · Jack L. · Jack Llewellyn