Cita APA (7th ed.)
Ray, D. S., & Ray, E. J. Mastering HTML 4.0. Sybex.
Cita Chicago (17th ed.)
Ray, Deborah S., i Eric J. Ray. Mastering HTML 4.0. San Francisco ; New Delhi: Sybex.
Cita MLA (9th ed.)
Ray, Deborah S., i Eric J. Ray. Mastering HTML 4.0. Sybex.
Atenció: Aquestes cites poden no estar 100% correctes.