Reference for “XQuery 1.0: An XML Query Language”

@TechReport{Chamberlin:07:XAX,
  author      = "Don Chamberlin and Jonathan Robie and Daniela Florescu and Scott Boag and J\'{e}r\^{o}me Sim\'{e}on and Mary F. Fern\'{a}ndez",
  title       = "{XQuery} 1.0: An {XML} Query Language",
  month       = jan,
  note        = "http://www.w3.org/TR/2007/REC-xquery-20070123/",
  year        = "2007",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Recommendation",
  institution = "W3C",
}