Reference for “User Agent Accessibility Guidelines (UAAG) 2.0”

@TechReport{Ford:09:UAA,
  author      = "Kelly Ford and Jan Richards and James Allan and Jeanne Spellman",
  title       = "User Agent Accessibility Guidelines ({UAAG}) 2.0",
  month       = jul,
  note        = "http://www.w3.org/TR/2009/WD-UAAG20-20090723/",
  year        = "2009",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Working Draft",
  institution = "W3C",
}