Cita APA (7th ed.)
Sachs, T., & McClain, G. Back to the User: Creating User-Focused Web Sites. New Riders.
Cita Chicago (17th ed.)
Sachs, Tammy, i Gary McClain. Back to the User: Creating User-Focused Web Sites. EUA: New Riders.
Cita MLA (9th ed.)
Sachs, Tammy, i Gary McClain. Back to the User: Creating User-Focused Web Sites. New Riders.
Atenció: Aquestes cites poden no estar 100% correctes.