Campbell, K. E. (2007). Senator Sam Ervin, last of the founding fathers. University of North Carolina Press.
Chicago-viite (17. p.)Campbell, Karl E. Senator Sam Ervin, Last of the Founding Fathers. Chapel Hill: University of North Carolina Press, 2007.
MLA-viite (9. p.)Campbell, Karl E. Senator Sam Ervin, Last of the Founding Fathers. University of North Carolina Press, 2007.
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