Source: Jorge Carrillo., y Sergio González López,. 1999 "Supplier structures and strategies of Daimler-Benz, BMW and Volkswagen in Mexico" en Heiderose Kilper y Ludger Pries (eds.) The globalization spiral in the German automobile industry: manufacturer-supplier relationships as challenges for business and politics Institute for Work and Technology. Munich and Mering. Pp. 91-120.