APA (7th ed.) Citation

PHP a beginner's guide / Vikram Vaswani. [electronic resource].

Chicago Style (17th ed.) Citation

PHP a Beginner's Guide / Vikram Vaswani. [electronic Resource].

MLA (9th ed.) Citation

PHP a Beginner's Guide / Vikram Vaswani. [electronic Resource].

Warning: These citations may not always be 100% accurate.