Não informado. (2008). IET Generation, Transmission & Distribution. Institution of Engineering and Technology.
Chicago-referens (17:e uppl.)Não informado. IET Generation, Transmission & Distribution. Stevenage, Inglaterra: Institution of Engineering and Technology, 2008.
MLA-referens (8:e uppl.)Não informado. IET Generation, Transmission & Distribution. Institution of Engineering and Technology, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.