Tomasic, Roman, author
The Law Foundation of New South Wales and George Allen & Unwin, 1978
Buku Teks
Silvoso, Joseph A., author
South-Western Publishing, 1965
Buku Teks
Holmes, Arthur W., author
Richard D. Irwin, 1975
Buku Teks
Miller, Edwin L., author
John Wiley & Sons, 2008
Buku Teks
Yetty Komalasari Dewi, author
Faculty of Law University of Indonesia, 2013
Artikel Jurnal