Marty, Martin E., 1928- The Improper opinion : mass media and the Christian faith / Martin E. Marty - Philadelphia, Pa. : Westminster Press, 1961. - 144 p. ; 21 cm. - Westminster Studies in Christian Communication . Bibliografia: p. 143-144. Subjects--Topical Terms: Trabajo evangelísticoComunicación Dewey Class. No.: 254.3 M388