staff writer (July 2002). "The four-year mile". motorsportmagazine.com. Motor Sport Magazine. Archived from the original on 25 December 2016. Retrieved 24 December 2016.
staff writer (July 2002). "The four-year mile". motorsportmagazine.com. Motor Sport Magazine. Archived from the original on 25 December 2016. Retrieved 24 December 2016.