http://www.audi.com
http://www.a4.org
http://www.aupartsdirect.com
http://www.quattroclubusa.org
http://cac.psu.edu/~jfs10/audi/audi.html
http://www.audittcca.com
http://www.geocities.com/MotorCity/4475/
http://www.audicar.com
http://www.auditt.org
http://www.carpartstogo.com
http://www.magode-extras.co.uk
http://sterlingservicemanuals.com
http://www.geocities.com/MotorCity/5939/
http://www.nordicaudi.com
http://www.hcp.net/audi/tucaudi.html
http://www.creativelement.com/quattro/
http://www.ns.net/~seang/
http://www.tap1.com