APA-ийн эшлэл(7 дахь хэвлэлт)

Abramowitz, A. (2010). The disappearing center: Engaged citizens, polarization, and American democracy. Yale University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Abramowitz, Alan. The Disappearing Center: Engaged Citizens, Polarization, and American Democracy. New Haven: Yale University Press, 2010.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Abramowitz, Alan. The Disappearing Center: Engaged Citizens, Polarization, and American Democracy. Yale University Press, 2010.