Citazione APA

Elgerd, O. I. (1971). Electric energy systems theory: An introduction. Tata McGraw-Hill.

Stile di citazione Chicago

Elgerd, Olle I. Electric Energy Systems Theory: An Introduction. Bombay: Tata McGraw-Hill, 1971.

Citazione MLA

Elgerd, Olle I. Electric Energy Systems Theory: An Introduction. Tata McGraw-Hill, 1971.