Παραπομπή APA
European Commission. Directorate-General for Energy and Transport. (2011). White Paper on transport :: Roadmap to a single European Transport Area. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. Directorate-General for Energy and Transport. White Paper On Transport :: Roadmap to a Single European Transport Area. Luxembourg: Office for Official Publications of the European Communities, 2011.
Παραπομπή MLAEuropean Commission. Directorate-General for Energy and Transport. White Paper On Transport :: Roadmap to a Single European Transport Area. Luxembourg: Office for Official Publications of the European Communities, 2011.
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