Não informado. (2004). Energy abstracts for policy analysis. U.S. Department of Energy, Office of Scientific and Technical Information.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Energy Abstracts for Policy Analysis. Oak Ridge, Tenn: U.S. Department of Energy, Office of Scientific and Technical Information, 2004.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Energy Abstracts for Policy Analysis. U.S. Department of Energy, Office of Scientific and Technical Information, 2004.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.