Allen, Michael J.
Blackstone Press , 1999
Buku Teks
Allen, Michael J.
Black Stone Press Limited, 1997
Buku Teks SO
Davies, Michael
Blackstone Press , 1998
Buku Teks
Cremona, Marise
Macmillan, 1989
Buku Teks
Smith, John Cyril
Butterworth, 1992
Buku Teks