Bermann, George A., author
Thomson, 2003
Buku Teks
Sweet & Maxwell, 2005
Buku Teks
Hooijdonk, Marieke van, author
Wolter Kluwer, 2012
Buku Teks
Schaber, Gordon D., author
West Publishing, 1990
Buku Teks
Folsom, Ralph Haughwout, author
West Group, 1999
Buku Teks