Cooper, John Xiros
Cambridge University Press, 2006
eBooks
Matthiessen, F.O.
Oxford University Press, 1959
Buku Teks
Bradbrook, Muriel Clara, 1909-1993
Longmans Green, 1950
Buku Teks
Bradbrook, Muriel Clara, 1909-1993
Longman Group, 1972
Buku Teks
Tydeman, William
Macmillan Education, 1988
Buku Teks