HarperBusiness · Leadership 2000 Inc
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Breakpoint and Beyond: Mastering the Future Today | 978-0-9626605-2-8 (0-9626605-2-3) | 1998 | George Land |
| Breakpoint and Beyond: Mastering the Future Today | 978-0-88730-547-4 (0-88730-547-4) | 1992 | " |