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.
Deismireacht MLAElgerd, Olle I. Electric Energy Systems Theory: :an Introduction. Tata Mc Graw - Hill, 1971.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.