Cita APA (7th ed.)
Powell, T. (2003). Html and xhtml: The complete reference (4th ed.). Tata McGraw-Hill.
Cita Chicago (17th ed.)
Powell, Thomas. Html and Xhtml: The Complete Reference. 4th ed. New Delhi: Tata McGraw-Hill, 2003.
Cita MLA (9th ed.)
Powell, Thomas. Html and Xhtml: The Complete Reference. 4th ed. Tata McGraw-Hill, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.