Gaya APA

Elgerd, O, L. (1982). eletric energy systems theory an introduction (2). New York: MCGRAW-HILL Medical Publishing Division.

Gaya MLA

Elgerd, Olle, L.. "eletric energy systems theory an introduction". 2 New York: MCGRAW-HILL Medical Publishing Division, 1982. Text Book Elektro.