5Downing. Radieal media: Rebellious communication and social movements[M]. London: Sage, 2001.
6Dyer-Witheford N. Cyber-Marx: Cycles and circuits of struggle in high-technology capitalism[ M]. Urbana and Chicago: University of Illinois Press, 1999.
7Jakubowiez, K. Musical chairs? The three public sphere in Poland. Communication and citizenship[J]. Journalism and the public sphere, 1991.
8Stevenson N. Cultural citizenship- Cosmopolitan questions [M]. Berkshire: Open University Press, 2003.