APA-referens (7:e uppl.)

National Research Council (U.S.). Transportation Research Board. Meeting. (1999). Energy, air quality, and fuels, 1999. National Academy Press.

Chicago-referens (17:e uppl.)

National Research Council (U.S.). Transportation Research Board. Meeting. Energy, Air Quality, and Fuels, 1999. Washington, D.C: National Academy Press, 1999.

MLA-referens (9:e uppl.)

National Research Council (U.S.). Transportation Research Board. Meeting. Energy, Air Quality, and Fuels, 1999. National Academy Press, 1999.