Mercer, D. (2010). Drupal 7: Create and operate any type of website quickly and efficiently. Packt Pub.
Chicago-Zitierstil (17. Ausg.)Mercer, Dave. Drupal 7: Create and Operate Any Type of Website Quickly and Efficiently. Birmmingham, UK: Packt Pub, 2010.
MLA-Zitierstil (9. Ausg.)Mercer, Dave. Drupal 7: Create and Operate Any Type of Website Quickly and Efficiently. Packt Pub, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.