Sweet & Maxwell Asia, 2005
Buku Teks
Stefan Vogenauer, editor
Oxford University Press, 2015
Buku Teks
Dolan, John F.
Warren, Gorham & Lamont, 1991
Buku Teks
Dolan, John F.
Graham & lamont, 1996
Buku Teks
Farnsworth, E. Allan
Little, Brown, 1990
Buku Teks