edited by Charles J. White and Norman Gross
American Bar Association , 1985
Buku Teks
Chisholm, Richard, author
Butterworth, 1978
Buku Teks
Clarkson, C. M. V., author
Fontana , 1995
Buku Teks
Brown, Gordon W., author
McGraw-Hill, 1984
Buku Teks
Altschuler, Bruce E., author
Prentice-Hall, 1996
Buku Teks