Butcher, M. (2008). Learning Drupal 6 Module Development: A Practical Tutorial for Creating Your First Drupal 6 Modules with PHP.
Chicago Style (17th ed.) CitationButcher, Matt. Learning Drupal 6 Module Development: A Practical Tutorial for Creating Your First Drupal 6 Modules with PHP. 2008.
MLA (9th ed.) CitationButcher, Matt. Learning Drupal 6 Module Development: A Practical Tutorial for Creating Your First Drupal 6 Modules with PHP. 2008.
Warning: These citations may not always be 100% accurate.
