Tocqueville, Alexis De, author
The Bantam Classic, 2000
Buku Teks
Wilson, Chris, author
University of California Press, 2003
Buku Teks
Gibson, Charles, author
Harper & Row, 1966
Buku Teks
Burke, E.
London Blackie&c[t.th.]
Buku Teks
Bryson, bill
Black Swan , 1998
Buku Teks