Baran, Stanley J., Mass communication theory : foundations, ferment, and future - 4th ed. . - New Delhi: Cengage Learning, 2006. - xix, 412 p. : ill.; 24 cm. . - Wadsworth series in mass communication and journalism. . Includes Infotrac passcode ISBN: 9788131501924 Dewey Class. No.: 302.2301 BAR