Não informado. (2008). IET Generation, Transmission & Distribution. Institution of Engineering and Technology.
Chicago-viite (17. p.)Não informado. IET Generation, Transmission & Distribution. Stevenage, Inglaterra: Institution of Engineering and Technology, 2008.
MLA-viite (8. p.)Não informado. IET Generation, Transmission & Distribution. Institution of Engineering and Technology, 2008.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.