Leslie, Douglas L., author
West Publishing Company, 1979
Buku Teks
Leslie, Douglas L., author
West Publishing, 1992
Buku Teks
Nolan, Dennis R.
West Publishing Company, 1979
Buku Teks
Gellhorn, Ernest, author
West , 1994
Buku Teks
Dobbyn, John F., author
West Publishing, 1989
Buku Teks