user- Free video and audio podcast player and torrent client.
- Penguin, New York, (1985)
- Oxford University Press, New York, (1985)
- McGraw-Hill, New York, (1964)
- Communication and citizenship : Journalism and the public sphere in the new media age, Routledge, London, (1991)
- Oxford University Press, New York, (1986)
- Oxford University Press, New York, (1982)
- Oxford University Press, New York, (1979)
- Westview, Boulder, CO, (2001)
- University of Chicago Press, Chicago, (1998)
- The Annals of The American Academy of Political and Social Science (1996)
- Inter/media : Interpersonal communication in a media world, Oxford University Press, New York, (1979)
- University of Minnesota Press, Minneapolis, MN, (1996)
- Public Opinion Quarterly (1994)
