Cita APA (7a ed.)

Hill, N. K., & Powell, R. A. (2003). An Investigation to evaluate the impact of hydrogen as an alternative source of energy for the bus service in Barcelona.

Cita Chicago Style (17a ed.)

Hill, Nathalie Katrin, y Richard A. Powell. An Investigation to Evaluate the Impact of Hydrogen as an Alternative Source of Energy for the Bus Service in Barcelona. 2003.

Cita MLA (9a ed.)

Hill, Nathalie Katrin, y Richard A. Powell. An Investigation to Evaluate the Impact of Hydrogen as an Alternative Source of Energy for the Bus Service in Barcelona. 2003.