Heibert, Ray Eldon Mass media V : an introduction to modern communication / Ray Eldon Heibert -- New York, N.Y. Longman, 1988 xiii, 721 p. ill ; 23 cm. Includes index. ISBN: 0801300193 Subjects--Topical Terms: Mass media.Dewey Class. No.: GC 302.23 H362 1988