Posner, Eric A., author
Ashgate, 2001
Buku Teks
Merryman, John Henry, author
Stanford University Press, 1969
Buku Teks
Merryman, John Henry, author
Stanford University Press, 1985
Buku Teks
Riasanovsky, V.A., author
Tientsin, 1938
Buku Teks
Lawson, F.H., author
Clarendon Press, 1955
Buku Teks