National Academy of Engineering. Program Office & Helm, J. L. (1990). Energy: Production, consumption, and consequences. National Academy Press.
Chicago Style (17. basım) AtıfNational Academy of Engineering. Program Office ve John L. Helm. Energy: Production, Consumption, and Consequences. Washington, D.C.: National Academy Press, 1990.
MLA (9th ed.) AtıfNational Academy of Engineering. Program Office ve John L. Helm. Energy: Production, Consumption, and Consequences. National Academy Press, 1990.