Hamilton, Robert W., author
West Publishing, 1996
Buku Teks
Zuckman, Harvey L., author
West Publishing, 1983
Buku Teks
Nolan, Dennis R.
West Publishing Company, 1979
Buku Teks
Lafrance, Arthur B.
West Publishing Company, 1979
Buku Teks
Glicksman, Robert L., author
West Publishing Co., 1995
Buku Teks