APA-viite (7. p.)
Shreves, R. (2011). Drupal 7 themes: Create new themes for your Drupal 7 site with a clean layout and powerful CSS styling. Packt Open Source Pub..
Chicago-viite (17. p.)
Shreves, Ric. Drupal 7 Themes: Create New Themes for Your Drupal 7 Site with a Clean Layout and Powerful CSS Styling. Birmingham, U.K.: Packt Open Source Pub., 2011.
MLA-viite (9. p.)
Shreves, Ric. Drupal 7 Themes: Create New Themes for Your Drupal 7 Site with a Clean Layout and Powerful CSS Styling. Packt Open Source Pub., 2011.
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