BOOKS
Lightfoot, David. “Exterior Design.” BMW Z4: Design, Development and Production--How BMW Creates the Ultimate Driving Machines, First Edition, Gearbooks LLC, 2004, pp. 70–90.
Cumberford, Robert. Chris Bangle. BMW Global Design (Car Men, Vol. 8). 0 ed., Automobilia, 2001.
Kiley, David, et al. Driven: Inside BMW, the Most Admired Car Company in the World. e-book, Gildan Media, 2020.
WEB
Patton, Phil. “Hot Stuff: The Theme Is a Flame.” The New York Times, 17 Nov. 2002, www.nytimes.com/2002/11/17/automobiles/hot-stuff-the-theme-is-a-flame.html?searchResultPosition=6.
Crate, James R. “Bangle Moved to Exec Role.” Automotive News, 9 Feb. 2004, www.autonews.com/article/20040209/SUB/402090815/bangle-moved-to-exec-role.
Green, Gavin. “Chris Bangle, BMW’s Design Chief - Interview - Motor Trend.” MotorTrend, 18 May 2006, www.motortrend.com/features/chris-bangle-bmw-design-chief.
Automotive News. “BMW’s Bangle: Ready for the next Design Revolution.” Automotive News, 14 Mar. 2005, www.autonews.com/article/20050314/SUB/503140766/bmw-s-bangle-ready-for-the-next-design-revolution.
Jouret, Jackie. “Moving Forward | Issue 110.” Bimmer, 31 Aug. 2012, www.bimmer-mag.com/issues/110/articles/moving-forward.
“Evolution: Library: Punctuated Equilibrium.” PBS.Org, 2021, www.pbs.org/wgbh/evolution/library/03/5/l_035_01.html.