Leeson, John D., author
Pitman, 1995
Buku Teks
Rodgers, William H., author
[Publisher not identified], 1977
Buku Teks
The World Bank, [date of publication not identified]
Buku Teks
edited by John Henry Wigmore
Japan Cultural Society, 1969 - 1972
Buku Teks
Jans, Jan H., author
Europa Law Publishing, 2000
Buku Teks