| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Getting Your Boss's Number: And Many Other Ways to Use the Enneagram at Work | 978-0-06-251325-0 (0-06-251325-7) | 1997 |
J. Goldberg · Jay Goldberg · M. Goldberg · M.J. · Michael Goldberg · Michael J · Michael J. Goldberg · Michael Jay