World Renewable Energy Congress Cologne, Germany, & Sayigh, A. A. M. (2002). Renewable energy: Renewables: world's best energy option : World Renewable Energy Congress VII, 29 June-5 July 2002, Cologne, Germany. Pergamon.
Chicago Style (17th ed.) CitationWorld Renewable Energy Congress Cologne, Germany, and A. A. M. Sayigh. Renewable Energy: Renewables: World's Best Energy Option : World Renewable Energy Congress VII, 29 June-5 July 2002, Cologne, Germany. Amsterdam ; Boston: Pergamon, 2002.
MLA (9th ed.) CitationWorld Renewable Energy Congress Cologne, Germany, and A. A. M. Sayigh. Renewable Energy: Renewables: World's Best Energy Option : World Renewable Energy Congress VII, 29 June-5 July 2002, Cologne, Germany. Pergamon, 2002.
Warning: These citations may not always be 100% accurate.