Ian Hickson. <a href="http://www.w3.org/TR/2006/WD-web-forms-2-20060821"><cite>Web Forms 2.0.</cite></a> 21 August 2006. W3C Working Draft. (Work in progress.) URL: <a href="http://www.w3.org/TR/2006/WD-web-forms-2-20060821">http://www.w3.org/TR/2006/WD-web-forms-2-20060821</a>