Jim Melton. <a href="http://www.w3.org/TR/2008/WD-xqueryx-11-20081203"><cite>XQueryX 1.1.</cite></a> 3 December 2008. W3C Working Draft. (Work in progress.) URL: <a href="http://www.w3.org/TR/2008/WD-xqueryx-11-20081203">http://www.w3.org/TR/2008/WD-xqueryx-11-20081203</a>