Rickard, John David
Australian National University Press, 1976
Buku Teks
Carvan, John
The Law Book Company Limited, 1995
Buku Teks
Parker, R.S., editor
Prentice Hall International, 1978
Buku Teks
Golde, Hilary
NSWU Press, 1985
Buku Teks
Carvan, John
Law Book Co., 1995
Buku Teks