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Chicago-Zitierstil (17. Ausg.)European Commission. Directorate-General for Energy and Transport. Implementing the Internal Energy Market: Annual Report 2004. Luxembourg: Office for Official Publications of the European Communities, 2005.
MLA-Zitierstil (9. Ausg.)European Commission. Directorate-General for Energy and Transport. Implementing the Internal Energy Market: Annual Report 2004. Office for Official Publications of the European Communities, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.