References
- Commission of the European Communities . July 2003 . EU Trading Emissions Directive , July , Brussels : CEC . COM (2003) 403
- Organisation for Economic Cooperation and Development . 1995 . Motor Vehicle Pollution: Reduction Strategies Beyond 2010 , Paris : OECD .
- World Bank . 1996 . Sustainable Transport: Priorities for Policy Reform , Washington, DC : World Bank .