| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Search Engine Optimization and Marketing for Beginners | 978-1-58112-472-9 (1-58112-472-4) | 2005 | Terry Kent |
| Search Engine Optimization and Placement: An Internet Marketing Course for Webmasters | 978-1-58112-679-2 (1-58112-679-4) | 2001 | " |