Daniel C. Burnett; et al. <a href="http://www.w3.org/TR/2005/NOTE-ssml-sayas-20050526"><cite>SSML 1.0 say-as attribute values.</cite></a> 26 May 2005. W3C Note. URL: <a href="http://www.w3.org/TR/2005/NOTE-ssml-sayas-20050526">http://www.w3.org/TR/2005/NOTE-ssml-sayas-20050526</a>