Boller, P. F., & Paul F. Boller; Jr. (2004). Presidential campaigns: From George Washington to George W. Bush. New York: Oxford University Press.
Trích dẫn kiểu ChicagoBoller, Paul F., và Paul F. Boller; Jr. Presidential Campaigns: From George Washington to George W. Bush. New York: Oxford University Press, 2004.
Deismireacht MLABoller, Paul F., và Paul F. Boller; Jr. Presidential Campaigns: From George Washington to George W. Bush. New York: Oxford University Press, 2004.
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