Agee, Warren Kendall. Introduction to mass communications / Warren K. Agee, Phillip H. Ault, Edwin Emery. - 5th ed. - New York : Harper & Row, 1976. - 469 p. : ill. ; 24 cm. Emery's name appears first in previous editions. Includes indexes. References : p. 418-453. ISBN: 0060419091 Subjects--Topical Terms: Mass media.