3Contractor,Noshir S, David R.Seibold,Maka A. Heller.Interactional influence in the structruring of media use in groups[Z]. Human Communication Research, 1996, 22(4): 451-481.
4Jones,Steven G.Cyberciety:Computer-mediated communication and Community[Z].Thousand oak,London:New Delhi,Sage Publicationgs.
5John Vivian. the Media of Communication[Z]. Allyn & Bacon,1997.
6Mark Fitzgerald. Newspapers Rocken Espanol, Editor & publisher[Z]. New York,2004.
7Wilkins,Lee, coleman, Renita. The Moral Media: How Journalists Reason About Ethics[Z]. Mahwah: N.J Lawrence Erlbaum Associates,Inc,2005.
8Wimmer Roger D, Wadsworth Pub. Mass media research[Z]. 2003.
