Crapol, E. P. (2006). John Tyler: The accidental president. University of North Carolina Press.
Chicago Style (17. basım) AtıfCrapol, Edward P. John Tyler: The Accidental President. Chapel Hill: University of North Carolina Press, 2006.
MLA (9th ed.) AtıfCrapol, Edward P. John Tyler: The Accidental President. University of North Carolina Press, 2006.
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