APA-viite (7. p.)
Papadongonas, G., & Doxaras, Y. (2010). Drupal e-commerce with Ubercart 2.x: Build, administer, and customize an online store using Drupal with Ubercart. Packt Pub..
Chicago-viite (17. p.)
Papadongonas, George, ja Yiannis Doxaras. Drupal E-commerce with Ubercart 2.x: Build, Administer, and Customize an Online Store Using Drupal with Ubercart. Birmingham, U.K.: Packt Pub., 2010.
MLA-viite (9. p.)
Papadongonas, George, ja Yiannis Doxaras. Drupal E-commerce with Ubercart 2.x: Build, Administer, and Customize an Online Store Using Drupal with Ubercart. Packt Pub., 2010.
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