Audi USA 2006 huolto-ohjelma
Audi A8 D3 (2008) Owner manuals
A8
http://forum.a8parts.co.uk/
http://www.audi-resource.com/
http://www.audipages.com/
http://www.audipages.com/Tech_Articles/d3.html
http://www.dognmonkey.com/audi/?cat=113
http://forum.a8parts.co.uk/showthread.php?p=86888#post86888