Castro. HTML, XHTML, and CSS, Sixth Edition: Visual QuickStart Guide (6.). Pearson India.
Chicago Style (17th ed.) CitationCastro. HTML, XHTML, and CSS, Sixth Edition: Visual QuickStart Guide. 6. Pearson India.
MLA (8th ed.) CitationCastro. HTML, XHTML, and CSS, Sixth Edition: Visual QuickStart Guide. 6. Pearson India.
Warning: These citations may not always be 100% accurate.