The Japan Association of Private Colleges and Universities , 1987
Buku Teks
Association of International Education
Maruzen Planning Network, 1991
Buku Referensi
edited by Monbusho
Maruzen, 1985
Buku Referensi
Spindler, J. Andrew
Brookings Institution, 1984
Buku Teks
Cheshire, G. C.
At The Clarendon Press, 1952
Buku Teks