Abramowitz, A. (2010). The disappearing center: Engaged citizens, polarization, and American democracy. Yale University Press.
Chicago-viite (17. p.)Abramowitz, Alan. The Disappearing Center: Engaged Citizens, Polarization, and American Democracy. New Haven: Yale University Press, 2010.
MLA-viite (9. p.)Abramowitz, Alan. The Disappearing Center: Engaged Citizens, Polarization, and American Democracy. Yale University Press, 2010.
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