APA-viite (7. p.)
Kumar, K. (2010). Drupal 6 theming cookbook: Over 100 clear, step-by-step recipes to create powerful, great-looking Drupal themes. Packt.
Chicago-viite (17. p.)
Kumar, Karthik. Drupal 6 Theming Cookbook: Over 100 Clear, Step-by-step Recipes to Create Powerful, Great-looking Drupal Themes. Birmingham, U.K.: Packt, 2010.
MLA-viite (9. p.)
Kumar, Karthik. Drupal 6 Theming Cookbook: Over 100 Clear, Step-by-step Recipes to Create Powerful, Great-looking Drupal Themes. Packt, 2010.
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