Gaya APA

Elgerd, O, I. (1982). Electric energy sysstems theory an introduction / Olle I Elgerd . New York McGraw-Hill Publishin: .

Gaya MLA

Elgerd, Olle, I. "Electric energy sysstems theory an introduction / Olle I Elgerd". New York McGraw-Hill Publishin: , 1982. .