Não informado. (2004). Energy abstracts for policy analysis. U.S. Department of Energy, Office of Scientific and Technical Information.
Chicago (17e ed.) BronvermeldingNão informado. Energy Abstracts for Policy Analysis. Oak Ridge, Tenn: U.S. Department of Energy, Office of Scientific and Technical Information, 2004.
MLA (8e ed.) BronvermeldingNão informado. Energy Abstracts for Policy Analysis. U.S. Department of Energy, Office of Scientific and Technical Information, 2004.
Let op: Deze citaties zijn niet altijd 100% accuraat.