Stephen Williams (2010年2月11日). “Chicago Auto Show: Kia Ray Plug-In Hybrid Concept”. ニューヨーク・タイムズ. 2010年4月12日閲覧。 “Peter Schreyer, who heads the design operation at Kia, previously worked for more than eight years at Audi, where he was instrumental in designing the A6 and the TT.”
