Vidal, Gore, author
Random House, 1987
Buku Teks
Paes, Domingos, author
National Book Trust, 1977
Buku Teks
Dworkin, Ronald, author
Fontana Press, 1991
Buku Teks
Williams, Basil, author
Oxford University, 1945
Buku Klasik
Young, Robert, 1950-, author
John Wiley & Sons, 2015
Buku Teks