Sharma, P. (2013). Instant premium Drupal themes. Packt Publishing.
芝加哥风格引文Sharma, Pankaj. Instant Premium Drupal Themes. Birmingham: Packt Publishing, 2013.
MLA引文Sharma, Pankaj. Instant Premium Drupal Themes. Packt Publishing, 2013.
警告：这些引文格式不一定是100％准确.