Gellings, C. W. (2011). Saving energy and reducing CO₂ emissions with electricity. The Fairmont Press, Inc. : Taylor & Francis Ltd..
Citace podle Chicago (17th ed.)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.
Citace podle MLA (9th ed.)Gellings, Clark W. Saving Energy and Reducing CO₂ Emissions with Electricity. The Fairmont Press, Inc. : Taylor & Francis Ltd., 2011.
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