Appu, A. (2002). PHP: A beginner's guide. Wiley Dreamtech India.
Chicago Style (17th ed.) ZitazioaAppu, Ashok. PHP: A Beginner's Guide. New Delhi: Wiley Dreamtech India, 2002.
MLA (9th ed.) ZitazioaAppu, Ashok. PHP: A Beginner's Guide. Wiley Dreamtech India, 2002.
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