FUENTES:
«Is the Wii Really Good for Your Health?» – TIME.com
«Exercise: Better Than the Couch, but Not Equal to the Court» – NYtimes.com
«Video game play may provide learning, health,social benefits» – APA.org
«Wii Fit Sales Top 20m Worldwide, Revenue Nearing $2 billion» – VGchartz.com
«Can You Really Get Fit With Wii Exercise Games?» – WEBMD.com