Lowenfeld, Andreas F.
Matthew Bender, 1983
Buku Teks
American Law Institute, 1992
Buku Teks
edited by Vinod K. Lall, Danial Khemchand
Anmol Publications, 1997
Buku Referensi
Hoyle, Mark S.W.
Laureate Press, 1981
Buku Teks
edited by Kyle W. Bagwell, George A. Bermann, Petros C. Mavroidis
Cambridge University Press, 2010
Buku Teks