Kortmann, Constantijn A. J. M., author
Kluwer Law Internasional, 2000
Buku Teks
Mason, Alpheus Thomas,1899-1989, author
Prentice-Hall, 1993
Buku Teks
Barron, Jerome A., author
West, 2009
Buku Teks
Smith, Glenn C., author
John Wiley & Sons, 2012
Buku Teks
Fisher, Louis, author
McGraw-Hill, 1988
Buku Teks