Cita APA (7th ed.)

(2012). Drupal in libraries / Kenneth J. Varnum.

Cita Chicago (17th ed.)

Drupal in Libraries / Kenneth J. Varnum. 2012.

Cita MLA (9th ed.)

Drupal in Libraries / Kenneth J. Varnum. 2012.

Atenció: Aquestes cites poden no estar 100% correctes.