Burge, David A.
John Wiley & Sons, 1980
Buku Teks
Seidel, Arthur H.
Ali ABA, 1993
Buku Teks
Rosenberg, Peter D., author
Clark Boardman, 1975
Buku Teks
Hildreth, Ronald B.
Practising Law Institute, 1993
Buku Teks
editor, Douglas W. Wyatt
American Bar Association, 1984
Buku Teks