June 2011閲覧. "Kiefer Racing, which currently leads the Moto2 standings with Stefan Bradl, BQR/Blusens, Forward Racing, Marc VDS Racing, Interwetten Paddock
“Ben Spies to leave factory Yamaha squad”. SpeedCafe. (25 July 2012). http://www.speedcafe.com/2012/07/25/ben-spies-to-leave-factory-yamaha-squad/ 25 July
September 2011閲覧。 ^ a b c “FIM ROAD RACING WORLD CHAMPIONSHIP GRAND PRIX REGULATIONS”. 26 February 2014閲覧。 ^ “Final 2014 Factory/Open MotoGP line-up revealed”