Whetmore, Edward jay. Mediamerica : form, content, and consequence of mass communication / Edward jay Whetmore. - 3rd ed. - Belmont : Wadsworth Pub. Co., 1987 - xix, 374 p. : tables, ill. ; 23 cm. Includes index. Subjects--Topical Terms: Mass media Dewey Class. No.: 302.2 / WHM