International Energy Agency & Organisation for Economic Co-operation and Development. (2001). Energy policies of IEA countries: Spain 2001 review. Organisation for Economic Co-operation and Development/International Energy Agency.
Chicago-Zitierstil (17. Ausg.)International Energy Agency und Organisation for Economic Co-operation and Development. Energy Policies of IEA Countries: Spain 2001 Review. Paris: Organisation for Economic Co-operation and Development/International Energy Agency, 2001.
MLA-Zitierstil (8. Ausg.)International Energy Agency und Organisation for Economic Co-operation and Development. Energy Policies of IEA Countries: Spain 2001 Review. Organisation for Economic Co-operation and Development/International Energy Agency, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.