Maxwell, Robert
Birkhauser Verlag, 1998
Buku Teks
LLoyd's of London Press LTD, 1995
Buku Teks
Kroes, Michael J.
McGraw-Hill, 1993
Buku Teks
Callahan, Michael T.
McGraw-Hill , 1992
Buku Teks
MacGillivary, Evan James
The Law Book Company, 1975
Buku Teks