Jim Bigelow; Melinda Grant. <a href="http://www.w3.org/TR/2006/REC-xhtml-print-20060920"><cite>XHTML-Print.</cite></a> 20 September 2006. W3C Recommendation. URL: <a href="http://www.w3.org/TR/2006/REC-xhtml-print-20060920">http://www.w3.org/TR/2006/REC-xhtml-print-20060920</a>