8M. Porter. Competitive Advantage : Creating and Sustaining Su-perior Performance [ M] .New York: The Free Press, 1985.
9The China New Energy Vehicles Program: Challenges and Op-portunities [R] . Washington, DC: World Bank /PRTM, 2011.
10Jeremy Millard,et al. Study on Internationalisation and Frag-mentation of Value Chains and Security of Supply [ R] . ArllUS : BanisllTechnological Institute, 2012.