Popkin, S. L. (2012). The candidate: What it takes to win, and hold, the White House. New York: Oxford University Press.
Trích dẫn kiểu ChicagoPopkin, Samuel L. The Candidate: What It Takes to Win, and Hold, the White House. New York: Oxford University Press, 2012.
Deismireacht MLAPopkin, Samuel L. The Candidate: What It Takes to Win, and Hold, the White House. New York: Oxford University Press, 2012.
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