Indlekofer, Manuel, author
Kluwer Law International, 2013
Buku Teks
Goodpaster, Gary, author
University of California, 1993
Buku Teks
Sweet & Maxwell, 2004
Buku Teks
McIlwrath, Michael, author
Wolters Kluwer, 2010
Buku Teks
editors, James H. Carter, John Fellas
Oxford University Press, 2013
Buku Teks