Kelsey, T. (2012). Drupal 7 primer: Creating CMS-based websites : a guide for beginners. Cengage Learning.
芝加哥风格引文Kelsey, Todd. Drupal 7 Primer: Creating CMS-based Websites : A Guide for Beginners. Boston, Mass.: Cengage Learning, 2012.
MLA引文Kelsey, Todd. Drupal 7 Primer: Creating CMS-based Websites : A Guide for Beginners. Cengage Learning, 2012.
警告：这些引文格式不一定是100％准确.