Honore, A.M.
At The Clarendon Press, 1959
Buku Teks
Staunton, Patricia J., author
W.B. Saunders , 1999
Buku Teks
Staunton, Patricia J., author
Harcourt, 2000
Buku Teks
Staunton, Patricia J., author
W.B. Saunders , 1984
Buku Teks
Goode, Roy, author
Penguin Books, 2004
Buku Teks