APA
Wyke R. a. T. D., Thomas D., . (2001). Perl; A Beginner's Guide. New Delhi: Tata Macgrow Hill.
Chicago
Wyke R.Allen and Thomas Donald, Thomas Donald, . 2001. Perl; A Beginner's Guide. New Delhi: Tata Macgrow Hill.
Harvard
Wyke R. a. T. D., Thomas D., . (2001). Perl; A Beginner's Guide. New Delhi: Tata Macgrow Hill.
MLA
Wyke R.Allen and Thomas Donald, Thomas Donald, . Perl; A Beginner's Guide. New Delhi: Tata Macgrow Hill. 2001.