| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Enthusiastic Employee | 978-0-13-714870-7 (0-13-714870-4) | 2005 | David Sirota · Michael Irwin Meltzer |
| The Enthusiastic Employee: How Companies Profit by Giving Workers What They Want | 978-0-13-142330-5 (0-13-142330-4) | 2005 | David Sirota · Michael Irwin Meltzer |