Thompson, Brian
Balckstone Press Limited, s.a.
Buku Teks
Phillips, O. Hood
Sweet & Maxwell, 2001
Buku Teks
Clancey, Richad
Sweet & Maxwell, 2011
Buku Teks
De Smith, S.A. (Stanley A.)
Penguin Books, 1994
Buku Teks
De Smith, S.A. (Stanley A.)
Penguin Education, 1973
Buku Teks