Agee, Warren K. Introduction to mass communications / Warren K. Agee, Phillip H. Ault, Edwin Emery - 11th ed. - N.Y. : HarperCollins College Publishers, c1994 - xiv, 570 p. ; 23 cm. ISBN: 0673468836 Subjects--Topical Terms: Mass media. Dewey Class. No.: 302.23 / AGE