Elgerd, O. I. Electric Energy systems Theory.
Lua i Stíl Chicago (17ú heag.)Elgerd, Olle I. Electric Energy Systems Theory.
Lua MLA (8ú heag.)Elgerd, Olle I. Electric Energy Systems Theory.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.