Walker, David M.
Clarendon Press, 1980
Buku Teks
Oxford Univesity Press, 2008
Buku Referensi
Walker, David M., author
Clarendon Press, 1980
Buku Referensi
edited by Margaret Drabble
Oxford University Press, 1998
Buku Referensi
edited by Margaret Drabble
Oxford University Press, 1985
Buku Referensi