Ian Hickson, David Hyatt. <a href='http://dev.w3.org/html5/spec/webappapis.html#navigator'><cite>Navigator interface in HTML5</cite></a>, Editors draft (Work in progress). URL: <a href='http://dev.w3.org/html5/spec/webappapis.html#navigator'>http://dev.w3.org/html5/spec/webappapis.html#navigator</a>