(2000). Towards a European Strategy for the Security of Energy Supply: Green Paper COM(2000)769 final. European Commission.
Chicago-Zitierstil (17. Ausg.)Towards a European Strategy for the Security of Energy Supply: Green Paper COM(2000)769 Final. Brussels: European Commission, 2000.
MLA-Zitierstil (9. Ausg.)Towards a European Strategy for the Security of Energy Supply: Green Paper COM(2000)769 Final. European Commission, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.