Shreves, R., & Dunwoodie, B. (2011). Drupal® 7 Bible (1st edition.). Wiley.
Chicago Style (17th ed.) CitationShreves, Ric, and Brice Dunwoodie. Drupal® 7 Bible. 1st edition. Wiley, 2011.
MLA (9th ed.) CitationShreves, Ric, and Brice Dunwoodie. Drupal® 7 Bible. 1st edition. Wiley, 2011.
Warning: These citations may not always be 100% accurate.