National Academy of Engineering. Program Office & Helm, J. L. (1990). Energy: Production, consumption, and consequences. National Academy Press.
Chicago-referens (17:e uppl.)National Academy of Engineering. Program Office och John L. Helm. Energy: Production, Consumption, and Consequences. Washington, D.C.: National Academy Press, 1990.
MLA-referens (9:e uppl.)National Academy of Engineering. Program Office och John L. Helm. Energy: Production, Consumption, and Consequences. National Academy Press, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.