S.K. · Simon Kunert
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Marketing with E-mail: A Spam-Free Guide to Increasing Awareness, Building Loyalty, and Increasing Sales | 978-1-885068-51-4 (1-885068-51-4) | 2000 |
| Marketing with E-Mail: A Spam-Free Guide to Increasing Awareness, Building Loyalty, and Increasing Sales by Using the Internet’s Most Powerful Tool | 978-1-885068-40-8 (1-885068-40-9) | 1999 |
| Marketing with E-Mail: A Spam-Free Guide to Increasing Sales, Building Loyalty, and Increasing Awareness | 978-1-885068-68-2 (1-885068-68-9) | 2001 |