Wilde, William H.
Oxford University Press, 1994
Buku Referensi
Carpenter, Humphrey
Oxford University Press, 1995
Buku Referensi
Johson, Bruce
Oxford University Press, 1987
Buku Teks
edited by Margaret Drabble
Oxford University Press, 1998
Buku Referensi
edited by Margaret Drabble
Oxford University Press, 1985
Buku Referensi