| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Distance Education: Definition and Glossary of Terms | 978-1-59311-515-9 (1-59311-515-6) | 2006 | Michael Simonson |
| Distance Education: Definition and Glossary of Terms Third Edition | 978-1-60752-138-9 (1-60752-138-5) | 2009 | " |