Parrett, R. (1991). DC/AC circuits: Concepts andapplication. Prentice Hall.
Dyfyniad Arddull ChicagoParrett, Richard. DC/AC Circuits: Concepts Andapplication. Englewood Cliffs: Prentice Hall, 1991.
Dyfyniad MLAParrett, Richard. DC/AC Circuits: Concepts Andapplication. Prentice Hall, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.