United States. Department of Energy. Office of Energy Efficiency and Renewable Energy. (2004). What is the energy payback for PV? (Rev. Feb. 2004.). [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of Energy. Office of Energy Efficiency and Renewable Energy. What Is the Energy Payback for PV? Rev. Feb. 2004. Washington, DC : U.S. Dept. of Energy, Office of Energy Efficiency and Renewable Energy: [publisher not identified], 2004.
MLA (9th ed.) CitationUnited States. Department of Energy. Office of Energy Efficiency and Renewable Energy. What Is the Energy Payback for PV? Rev. Feb. 2004. [publisher not identified], 2004.
Warning: These citations may not always be 100% accurate.