R. M. · Richard J. Machowicz · Richard M. · Richard Mack Machowicz
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Unleash the Warrior Within: Develop the Focus, Discipline, Confidence, and Courage You Need to Achieve Unlimited Goals | 978-0-7382-1248-7 (0-7382-1248-2) | 2008 | |
| Unleash the Warrior Within: Develop the Focus, Discipline, Confidence and Courage You Need to Achieve Unlimited Goals | 978-1-56924-497-5 (1-56924-497-9) | 2002 | Richard J. Machowicz |