Coll, S. (1986). The Deal of the Century: The Break up of AT&T. New York: Atheneum.
Dyfyniad Arddull ChicagoColl, Steve. The Deal of the Century: The Break Up of AT&T. New York: Atheneum, 1986.
Dyfyniad MLAColl, Steve. The Deal of the Century: The Break Up of AT&T. New York: Atheneum, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.