APA استشهاد

Travis, B. (2011). Pro Drupal 7 for windows developers. Springer.

استشهاد بنمط شيكاغو

Travis, Brian. Pro Drupal 7 for Windows Developers. New Delhi: Springer, 2011.

MLA استشهاد

Travis, Brian. Pro Drupal 7 for Windows Developers. Springer, 2011.