Mellinkoff, David
[Publisher not identified], 1992
Buku Teks
Squires, Lynn B.
West Publishing, 1982
Buku Teks
Neumann, Richard K.
Wolters Kluwer Law & Business, 2013
Buku Teks
Redden, Kenneth R.
The Michie Company, 1980
Buku Referensi
Garner, Bryan A.
Oxford University Press, 1991
Buku Teks