APA (7th ed.) Zitazioa

(2012). Drupal Rules How-To [electronic resource].

Chicago Style (17th ed.) Zitazioa

Drupal Rules How-To [electronic Resource]. 2012.

MLA (9th ed.) Zitazioa

Drupal Rules How-To [electronic Resource]. 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.