Hiebert Ray Eldon Mass media : an introduction to modern communication / Ray Eldon Hiebert, Donald F. Ungurait, Thomas W. Bohn. - New York : McKay, [1974] - xvi, 495 p. : ill. ; 23 cm. Includes index. Bibliography: p. 445-482. ISBN: 0679302379 Subjects--Topical Terms: CommunicationMass media LC Class. No.: P90 Dewey Class. No.: 301.16