Kumar, K. (2010). Drupal 6 Theming Cookbook. Packt Pub..
Cita Chicago Style (17a ed.)Kumar, Karthik. Drupal 6 Theming Cookbook. Birmingham: Packt Pub., 2010.
Cita MLA (8a ed.)Kumar, Karthik. Drupal 6 Theming Cookbook. Packt Pub., 2010.
Precaución: Estas citas no son 100% exactas.