Não informado. (2004). Energy abstracts for policy analysis. U.S. Department of Energy, Office of Scientific and Technical Information.
Chicago-Zitierstil (17. Ausg.)Não informado. Energy Abstracts for Policy Analysis. Oak Ridge, Tenn: U.S. Department of Energy, Office of Scientific and Technical Information, 2004.
MLA-Zitierstil (8. Ausg.)Não informado. Energy Abstracts for Policy Analysis. U.S. Department of Energy, Office of Scientific and Technical Information, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.