Cita APA (7th ed.)

Cottrell, L. M. (2011). HTML & XHTML demystified. McGraw-Hill.

Cita Chicago (17th ed.)

Cottrell, Lee M. HTML & XHTML Demystified. New York: McGraw-Hill, 2011.

Cita MLA (9th ed.)

Cottrell, Lee M. HTML & XHTML Demystified. McGraw-Hill, 2011.