Head, Sydney W. Broadcasting in America : a survey of electronic media / Sydney W. Head and Christopher H. Sterling. - 5th ed. - Boston : Houghton Mifflin, 1987 - [xxii], 604 p. : ill ; 23 cm. ISBN: 0395359368 Subjects--Topical Terms: Broadcasting--United States Dewey Class. No.: 384.54 / H432B 1987