Miller, Russell V.
The Law Book Company Limited, 1975
Buku Teks
Sawer, Geoffrey, 1910-1996, author
Penguin Books, 1973
Buku Teks
general editor Michael Renshall
Butterworth, 1990
Buku Referensi
Lipton, Phillip, author
LBC Information Sevices, 1996
Buku Teks
Lipton, Phillip, author
The Law Book Company Limited, 1995
Buku Teks