Fishkin, J. S. (1997). The Voice of the people: Public opinion and democracy. New Haven: Yale University.
Chicago Stili AlıntıFishkin, James S. The Voice of the People: Public Opinion and Democracy. New Haven: Yale University, 1997.
MLA AlıntıFishkin, James S. The Voice of the People: Public Opinion and Democracy. New Haven: Yale University, 1997.
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