David Raggett. <a href="http://www.w3.org/TR/REC-html32-19970114"><cite>HTML 3.2 Reference Specification.</cite></a> 14 January 1997. W3C Recommendation. URL: <a href="http://www.w3.org/TR/REC-html32-19970114">http://www.w3.org/TR/REC-html32-19970114</a>