Matthiessen, F.O.
Oxford University Press, 1959
Buku Teks
Cooper, John Xiros
Cambridge University Press, 2006
eBooks
Bradbrook, Muriel Clara, 1909-1993
Longmans Green, 1950
Buku Teks
The Athlone Press, 1993
Buku Teks
Headings, Philip R.
Twayne, 1964
Buku Teks