Elgerd ,Olle. (1982). Electric energy systems theory (2nd.). Tata Mcgraw-Hill.
Chicago Edition CitationElgerd ,Olle. Electric Energy Systems Theory. 2nd. New Delhi: Tata Mcgraw-Hill, 1982.
MLA Edition CitationElgerd ,Olle. Electric Energy Systems Theory. 2nd. Tata Mcgraw-Hill, 1982.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.