John M. Boyer. <a href="http://www.w3.org/TR/2008/WD-XForms-for-HTML-20081219"><cite>XForms for HTML.</cite></a> 19 December 2008. W3C Working Draft. (Work in progress.) URL: <a href="http://www.w3.org/TR/2008/WD-XForms-for-HTML-20081219">http://www.w3.org/TR/2008/WD-XForms-for-HTML-20081219</a>