Baran, Stanley J. Mass communication theory : foundations, ferment, and future / Stanley J. Baran, Dennis K. Davis. - 7th ed. - New York : Connect learn succeed, c2012. - xx, 449 p. : ill. ISBN: 0534637973 (pbk.) Subjects--Topical Terms: Mass media--Philosophy LC Class. No.: P90 / .B225 2012