| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Crowning the Customer: How to Become Customer-driven | 978-0-86278-952-7 (0-86278-952-4) | 2005 |
| Crowning the Customer: How to Become Customer-Driven | 978-0-86278-763-9 (0-86278-763-7) | 2002 |
| Crowning the Customer: How to Become Customer-Driven | 978-0-86278-242-9 (0-86278-242-2) | 1990 |