McCoubrey, Hilaire, author
Black Stone Press Limited, 1999
Buku Teks
Paton, George Whitecross
At The Clarendon Press, 1972
Buku Teks
Curzon, L. B.
CavendishPublishing Limited, 1992
Buku Teks
Wacks, Raymond, author
Blackstone Press limited, 1999
Buku Teks
Suri Ratnapala, author
Cambridge University Press, 2009
Buku Teks