APA

Badakhshan A., University of Calgary, Alternative Fuel Systems, World Petroleum Congress (15th. : 1997 : Beijing), University of Calgary & Alternative Fuel Systems.An innovate approach to energy conservation and environmental protection utilizing natural gas in municipal and other transport fleets. : .

Chicago

Badakhshan Amir, University of Calgary, Alternative Fuel Systems, World Petroleum Congress (15th. : 1997 : Beijing), University of Calgary and Alternative Fuel Systems.An innovate approach to energy conservation and environmental protection utilizing natural gas in municipal and other transport fleets. : .

Harvard

Badakhshan A., University of Calgary, Alternative Fuel Systems, World Petroleum Congress (15th. : 1997 : Beijing), University of Calgary and Alternative Fuel Systems.An innovate approach to energy conservation and environmental protection utilizing natural gas in municipal and other transport fleets. : .

MLA

Badakhshan Amir, University of Calgary, Alternative Fuel Systems, World Petroleum Congress (15th. : 1997 : Beijing), University of Calgary and Alternative Fuel Systems.: . .