Watrall, E., & Siarto,Jeff. (2009). Head First Web Design. O'Reilly.
Citación estilo ChicagoWatrall, Ethan, and Siarto,Jeff. Head First Web Design. Kolkata: O'Reilly, 2009.
Cita MLAWatrall, Ethan, and Siarto,Jeff. Head First Web Design. O'Reilly, 2009.
Warning: These citations may not always be 100% accurate.