World Renewable Energy Congress Reading, England, World Renewable Energy Congress Company, & Sayigh, A. A. M. (1990). Energy and the environment into the 1990s: Proceedings of the 1st World Renewable Energy Congress, Reading, UK, 23-28 September 1990. Pergamon.
Cita Chicago Style (17a ed.)World Renewable Energy Congress Reading, England, World Renewable Energy Congress Company, y A. A. M. Sayigh. Energy and the Environment into the 1990s: Proceedings of the 1st World Renewable Energy Congress, Reading, UK, 23-28 September 1990. [Place of publication not identified]: Pergamon, 1990.
Cita MLA (8a ed.)World Renewable Energy Congress Reading, England, et al. Energy and the Environment into the 1990s: Proceedings of the 1st World Renewable Energy Congress, Reading, UK, 23-28 September 1990. Pergamon, 1990.