| title | ISBN-13 | year of publication |
|---|---|---|
| Encyclopedia of Virtual Communities and Technologies | 978-1-59140-563-4 | 2005 |
| International Journal of Virtual Communities and Social Networking, Vol 4, ISS 3 | 978-1-4666-1467-3 | 2012 |
| Studies in Virtual Communities, Blogs, and Modern Social Networking: Measurements, Analysis, and Investigations | 978-1-4666-4022-1 | 2013 |
| Technical, Social, and Legal Issues in Virtual Communities: Emerging Environments: Emerging Environments | 978-1-4666-1553-3 | 2012 |