Cita APA (7th ed.)
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..
Cita Chicago (17th ed.)
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.
Cita MLA (9th ed.)
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.
Atenció: Aquestes cites poden no estar 100% correctes.