| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Drupal for Education and E-Learning | 978-1-78216-276-6 (1-78216-276-3) | 2013 | Bill Fitzgerald |
G. Robertson · J. G. · J.g. Robertson · J R · J. Robertson · James G. · James R. · James Robertson