Greene, Donald Johnson, author
Kennikat Press, 1960
Buku Teks
Pattie, David, author
Routledge , 2000
Buku Teks
Blake, Peter, author
Birkhauser Verlag, 1996
Buku Teks
Seronsy, Cecil, author
Twayne, 1967
Buku Teks
Brissenden, R.F. (Robert Francis), 1928-1991
Published for the British Council and the National Book League by Longmans, Green & Co, 1958
Buku Teks