Fletcher, George P., author
Oxford University Press, 2000
Buku Teks
Glazebrook, P.R., author
Blackstones Press Ltd., 2000
Buku Teks
compiled and edited by M.Cherif Bassiouni and Ved P. Nanda
Charles C. Thomas, 1973
Buku Teks
Prassel, Frank R., author
Goodyear, 1979
Buku Teks
Allen, Michael J., author
Black Stone Press Limited, 1997
Buku Teks