Jean-Jacques Moreau; et al. <a href="http://www.w3.org/TR/2007/REC-soap12-part2-20070427"><cite>SOAP Version 1.2 Part 2: Adjuncts (Second Edition).</cite></a> 27 April 2007. W3C Recommendation. URL: <a href="http://www.w3.org/TR/2007/REC-soap12-part2-20070427">http://www.w3.org/TR/2007/REC-soap12-part2-20070427</a>