David Raggett; Daniel Glazman; Claudio Santambrogio. <a href="http://www.w3.org/TR/2004/WD-css3-speech-20041216"><cite>CSS3 Speech Module.</cite></a> 16 December 2004. W3C Working Draft. (Work in progress.) URL: <a href="http://www.w3.org/TR/2004/WD-css3-speech-20041216">http://www.w3.org/TR/2004/WD-css3-speech-20041216</a>