| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Internet World Guide to One-To-One Web Marketing | 978-0-471-25166-8 (0-471-25166-6) | 1998 | Cliff Allen · Deborah Kania |
| One-to-One Web Marketing: Build a Relationship Marketing Strategy One Customer at a Time, Second Edition | 978-0-471-40400-2 (0-471-40400-4) | 2001 | Cliff Allen · Deborah Kania |