Oxford University Press, 1995
Buku Referensi
Baldick, chris, author
Oxford University Press, 1990
Buku Referensi
edited by Ian Chilvers
Oxford University Press , 1990
Buku Referensi
edited by T.F. Hoad
Oxford University Press, 1996
Buku Referensi
Kennedy, Michael
Oxford University Press, 1994
Buku Referensi