Pike, C. (1993). The wicked heart. Archway Paperbacks.
Dyfyniad Arddull ChicagoPike, Christopher. The Wicked Heart. New York: Archway Paperbacks, 1993.
Dyfyniad MLAPike, Christopher. The Wicked Heart. Archway Paperbacks, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.