Shreves, R., & Dunwoodie, B. (2011). Drupal 7 bible. Wiley.
Chicago Style (17th ed.) CitationShreves, Ric, and Brice Dunwoodie. Drupal 7 Bible. Indianapolis, IN: Wiley, 2011.
MLA (8th ed.) CitationShreves, Ric, and Brice Dunwoodie. Drupal 7 Bible. Wiley, 2011.
Warning: These citations may not always be 100% accurate.