Dyfyniad APA
Elgerd, O. I. (1983). Electric energy systems theory: An introduction (2nd ed.). Tata McGraw-Hill.
Dyfyniad Arddull Chicago
Elgerd, Olle I. Electric Energy Systems Theory: An Introduction. 2nd ed. New Delhi: Tata McGraw-Hill, 1983.
Dyfyniad MLA
Elgerd, Olle I. Electric Energy Systems Theory: An Introduction. 2nd ed. Tata McGraw-Hill, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.