Patrick Curran; Dimitris Dimitriadis. <a href="http://www.w3.org/TR/2004/WD-qaframe-test-20040820"><cite>QA Framework: Test Guidelines.</cite></a> 20 August 2004. W3C Working Draft. (Work in progress.) URL: <a href="http://www.w3.org/TR/2004/WD-qaframe-test-20040820">http://www.w3.org/TR/2004/WD-qaframe-test-20040820</a>