Elgerd, O. I. (1971). Electric energy systems theory: :an introduction. Tata Mc Graw - Hill.
Chicago Edition CitationElgerd, Olle I. Electric Energy Systems Theory: :an Introduction. New Delhi: Tata Mc Graw - Hill, 1971.
MLA Edition CitationElgerd, Olle I. Electric Energy Systems Theory: :an Introduction. Tata Mc Graw - Hill, 1971.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.