Smil, V. (2015). Power density: A key to understanding energy sources and uses. The MIT Press.
Chicago-referens (17:e uppl.)Smil, Vaclav. Power Density: A Key to Understanding Energy Sources and Uses. Cambridge, Massachusetts: The MIT Press, 2015.
MLA-referens (9:e uppl.)Smil, Vaclav. Power Density: A Key to Understanding Energy Sources and Uses. The MIT Press, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.