Cita APA (7th ed.)

(2012). Head first HTML and CSS Elisabeth Robson, Eric Freeman. [electronic resource].

Cita Chicago (17th ed.)

Head First HTML and CSS Elisabeth Robson, Eric Freeman. [electronic Resource]. 2012.

Cita MLA (9th ed.)

Head First HTML and CSS Elisabeth Robson, Eric Freeman. [electronic Resource]. 2012.

Atenció: Aquestes cites poden no estar 100% correctes.