H. P. B. · Hans B. · Hans P. · Hans Peter
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Engaged Customer: The New Rules of Internet Direct Marketing | 978-0-06-662078-7 (0-06-662078-3) | 2000 | Geoffrey Moore |
| The Engaged Customer: Using the New Rules of Internet Direct Marketing to Create Profitable Customer Relationships | 978-0-06-662079-4 (0-06-662079-1) | 2002 | |