Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Elgerd, Olle Ingemar. Electric Energy Systems Theory: An Introduction. New York: McGraw-Hill, 1971.

Cita MLA (8th ed.)

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