by Peter Dennis, Jeffrey Grey, Ewan Morris, Robin Prior
Oxford University Press, 1995
Buku Referensi
Hart, James D., author
Oxford University Press, 1986
Buku Referensi
Lees, Stella, author
Oxford University Press, 1993
Buku Referensi
edited by M.C. Howatson and Ian Chilvers
Oxford University Press, 1993
Buku Referensi
edited by Peter France
Clarendon Press, 1995
Buku Referensi