9Markus Prio, News vs. Entertainment: How Increasing Media Choice Widens Gaps in Political Konwledge and Tumout. American Joumal of Political Science, Vol. 49, No. 3, July 2005. PP. 577 - 592
10Michael Schudson, The Good Citizen: a history of American civic life. New York: The Free Press, 1998. PP. 294 -314.
