Mercer, D. (2008). Building powerful and robust websites with Drupal 6: Build your own professional blog, forum, portal or community website with Drupal 6. Packt.
Chicago-referens (17:e uppl.)Mercer, Dave. Building Powerful and Robust Websites with Drupal 6: Build Your Own Professional Blog, Forum, Portal or Community Website with Drupal 6. Birmingham, [England]: Packt, 2008.
MLA-referens (9:e uppl.)Mercer, Dave. Building Powerful and Robust Websites with Drupal 6: Build Your Own Professional Blog, Forum, Portal or Community Website with Drupal 6. Packt, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.