Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.