APA-viite (7. p.)
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-viite (17. p.)
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-viite (9. p.)
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.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.