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Sources
- Brockway, Eric. Vespa: An Illustrated History. Haynes Publishing; Illustrate edition (October 5, 1998). 978-1859604434.
- Sparrow, Andrea & David. Vespa Colour Family Album. Veloce Publishing (December 1995). 978-1874105480.
- Taylor, Patrick. "The Vespa Scooter." http://www.patricktaylor.com/vespa-scooter
