| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Electronic Commerce: Strategies and Models for Business-to-business Trading | 978-0-471-49840-7 (0-471-49840-8) | 2000 |
| Electronic Commerce: Strategies and Models for Business to Business Trading | 978-0-471-72029-4 (0-471-72029-1) | 1999 |