APA-ийн эшлэл(7 дахь хэвлэлт)

Hoffmann, P. (2001). Tomorrow's energy: Hydrogen, fuel cells, and the prospects for a cleaner planet. MIT Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Hoffmann, Peter. Tomorrow's Energy: Hydrogen, Fuel Cells, and the Prospects for a Cleaner Planet. Cambridge, MA: MIT Press, 2001.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Hoffmann, Peter. Tomorrow's Energy: Hydrogen, Fuel Cells, and the Prospects for a Cleaner Planet. MIT Press, 2001.