http://www.bbc.co.uk/mundo/noticias/2011/01/110113_galeria_fotos_detroit_autoshow_2011.shtml

http://www.taringa.net/posts/imagenes/9547703/auto-del-futuro-2011.html

http://terratv.terra.com/Entertainment/Autos/Programas/Show-de-Autos/4791-301352/Video-Porsche-GT3-RS-40.htm