Dyfyniad APA
Gellings, C. W. (2011). Saving energy and reducing CO₂ emissions with electricity. The Fairmont Press, Inc. : Taylor & Francis Ltd..
Dyfyniad Arddull Chicago
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.
Dyfyniad MLA
Gellings, Clark W. Saving Energy and Reducing CO₂ Emissions with Electricity. The Fairmont Press, Inc. : Taylor & Francis Ltd., 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.