APA (7th ed.) Zitazioa
Sharma, P. (2013). Instant premium Drupal themes. Packt Publishing.
Chicago Style (17th ed.) Zitazioa
Sharma, Pankaj. Instant Premium Drupal Themes. Birmingham: Packt Publishing, 2013.
MLA (9th ed.) Zitazioa
Sharma, Pankaj. Instant Premium Drupal Themes. Packt Publishing, 2013.
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