APA (7e ed.) Bronvermelding
Hoffmann, P. (2001). Tomorrow's energy: Hydrogen, fuel cells, and the prospects for a cleaner planet. MIT Press.
Chicago (17e ed.) Bronvermelding
Hoffmann, Peter. Tomorrow's Energy: Hydrogen, Fuel Cells, and the Prospects for a Cleaner Planet. Cambridge, MA: MIT Press, 2001.
MLA (9e ed.) Bronvermelding
Hoffmann, Peter. Tomorrow's Energy: Hydrogen, Fuel Cells, and the Prospects for a Cleaner Planet. MIT Press, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.