Robson,Elisabeth, & Freeman,Eric. (2012). Head first HTML and CSS (2nd.). Shroff Publisher.
Cita Chicago Style (17a ed.)Robson,Elisabeth, y Freeman,Eric. Head First HTML and CSS. 2nd. New Delhi: Shroff Publisher, 2012.
Cita MLA (9a ed.)Robson,Elisabeth, y Freeman,Eric. Head First HTML and CSS. 2nd. Shroff Publisher, 2012.
Precaución: Estas citas no son 100% exactas.