(2001). Energy of the future from North Rhine-Westphalia. Ministry of Economic Affairs, Energy and Transport NRW, Dep. of Public Relations].
Chicago-Zitierstil (17. Ausg.)Energy of the Future from North Rhine-Westphalia. Düsseldorf: Ministry of Economic Affairs, Energy and Transport NRW, Dep. of Public Relations], 2001.
MLA-Zitierstil (9. Ausg.)Energy of the Future from North Rhine-Westphalia. Ministry of Economic Affairs, Energy and Transport NRW, Dep. of Public Relations], 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.