Garrett, James J.
Practising Law Institute, 1978
Buku Teks
Calkins, Richard M., author
Dow Jones-Irwin, 1981
Buku Teks
edited by Theodore P. Kovaleff
M.E. Sharpe, 1994
Buku Teks
Hovenkamp, Herbert, author
West Publishing, 1993
Buku Teks
editorial board, Harvey M. Apbaum ... [and others]
American Bar Association, 1975
Buku Teks