Sussman, Barry
Great cover up Nixon and the scandal of Watergate
New American Library, 1974
Buku Teks
Political crime in contemporary America: a critical approach/edited by Kenneth D. Tunnell
Garland , 1993
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Mathias, L.L.
Etdeckung Amerikas anno 1953
Hamburg Rowohlt 1953
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Griffith, Ernest S.
The America system of goverment
London Methuen & Co. 1967,
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Case studies in American government Inter-University case Program edited by and
New Jersey Prentice-Hall 1965
Buku Teks