Pfiffner, J. P. (2004). The Character Factor: How We Judge America's Presidents. Texas A&M University Press.
Cita Chicago Style (17a ed.)Pfiffner, James P. The Character Factor: How We Judge America's Presidents. College Station, Tex.: Texas A&M University Press, 2004.
Cita MLA (8a ed.)Pfiffner, James P. The Character Factor: How We Judge America's Presidents. Texas A&M University Press, 2004.
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