Jutta Treviranus; et al. <a href="http://www.w3.org/TR/2000/REC-ATAG10-20000203"><cite>Authoring Tool Accessibility Guidelines 1.0.</cite></a> 3 February 2000. W3C Recommendation. URL: <a href="http://www.w3.org/TR/2000/REC-ATAG10-20000203">http://www.w3.org/TR/2000/REC-ATAG10-20000203</a>