revised by John Pitson
Australian Goverment Publishing, 1978
Buku Referensi
Rahman Hasanuddin, author
Citra Aditya Bakti, 2000
Buku Teks
Piesse, E.L., author
The Law Book Company Limited, 1976
Buku Teks
Earle, James H., author
Addison-Wesley, 1986
Buku Teks
Dickerson, Reed, author
Little, Brown and Company, 1954
Buku Teks