European Commission (Directorate-General for Energy and Transport, Brussels). (2006). Road Transport Policy: Open roads across Europe. Office for Official Publications of the European Communities.
Chicago-Zitierstil (17. Ausg.)European Commission (Directorate-General for Energy and Transport, Brussels). Road Transport Policy: Open Roads Across Europe. Luxembourg: Office for Official Publications of the European Communities, 2006.
MLA-Zitierstil (9. Ausg.)European Commission (Directorate-General for Energy and Transport, Brussels). Road Transport Policy: Open Roads Across Europe. Office for Official Publications of the European Communities, 2006.
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