C C · C. Clarke · C. Epstein · Chris Clarke
| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| 78 Important Questions Every Leader Should Ask and Answer | 978-0-8144-7162-3 | 2002 | ||
| 78 Schlüsselfragen, die jede Führungskraft stellen und beantworten sollte | 978-3-7093-0012-1 | 2003 | ||
| A 78 Important Questions Every Leader Should Ask and Answer | 978-0-8144-7414-3 | 2006 | ||
| Only The Best On Success | 978-1-881342-10-6 | 1996 | Larry H. Winget · Scott Mckain · Keith Harrell · Mark Sanborn · Willie Jolley · Shep Hyken · Roger Crawford | |
| The Instant Trainer: Quick Tips on How to Teach Others What You Know | 978-0-07-011965-9 | 1997 | C. Leslie Charles | |
AMACOM · Linde, Wien · McGraw-Hill · Win Publications