Merryman, John Henry, author
Stanford Studies in Law and Development, 1979
Buku Teks
Stone, Christopher D.
Harper & Row , 1975
Buku Teks
Frans von der Dunk, Fabio Tronchetti, editor
Edward Elgar Publishing, 2015
Buku Teks
edited by John Angel, Ian Walden
Blackstone Press, 1997
Buku Referensi
Wright, Charles Alan, author
West Publishing, 1970
Buku Teks