Borkowski, Andrew, author
Blackstone Press limited, 2001
Buku Teks
Leyland, Peter
Blackstone Press limited, 1999
Buku Teks
Thompson, Brian
Balckstone Press Limited, s.a.
Buku Teks
Davies, Michael
Blackstone Press limited, 1996
Buku Teks
Dixon, Martin, author
Blackstone Press limited, 2000
Buku Teks