Glazer, Herbert, author
Sophia University, 1970
Buku Teks
International Society for Educational Information, Inc., 1973
Buku Teks
Sakamoto, Taro, author
The International Society for Educational Information Press, Inc., 1975
Buku Teks
Masaaki Kosaka ... [and others]
Toyo Bunko, 1969
Buku Teks
The Japan Foundation
The Japan Foundation, 1974
Buku Teks