APA-referens (7:e uppl.)

Gellings, C. W. (2011). Saving energy and reducing CO₂ emissions with electricity. The Fairmont Press, Inc. : Taylor & Francis Ltd..

Chicago-referens (17:e uppl.)

Gellings, Clark W. Saving Energy and Reducing CO₂ Emissions with Electricity. Lilburn, Georgia ; Boca Raton, Florida ; London, England: The Fairmont Press, Inc. : Taylor & Francis Ltd., 2011.

MLA-referens (9:e uppl.)

Gellings, Clark W. Saving Energy and Reducing CO₂ Emissions with Electricity. The Fairmont Press, Inc. : Taylor & Francis Ltd., 2011.