Little, Brown , 1980
Buku Teks
edited by Claire A. Hill and Brett H. McDonnell
Edward Elgar Publishing, 2016
Buku Teks
Choper, Jesse H.
Harcourt Brace Legal and Profesional Publications, 1989
Buku Teks
Barnes, A. James
Richard D. Irwin, 1991
Buku Teks
Donnell, John D.
Richard D. Irwin, 1983
Buku Teks