The International Society for Education Information, Inc., 1983
Buku Teks
Suzuki, Takao
Kodansha International, 1973
Buku Teks
edited Carmen Blacker [and others]
Princeton University Press, 1971
Buku Teks
Masaaki Kosaka ... [and others]
Toyo Bunko, 1969
Buku Teks
Japan : Center for International Cultural Studies and Education, Josai University
Majalah, Jurnal, Buletin