Cita APA (7th ed.)

Castro. HTML, XHTML, and CSS, Sixth Edition: Visual QuickStart Guide (6.). Pearson India.

Cita Chicago (17th ed.)

Castro. HTML, XHTML, and CSS, Sixth Edition: Visual QuickStart Guide. 6. Pearson India.

Cita MLA (8th ed.)

Castro. HTML, XHTML, and CSS, Sixth Edition: Visual QuickStart Guide. 6. Pearson India.

Atenció: Aquestes cites poden no estar 100% correctes.