Eto, Jun
International Society for Educationa Information, 1974
Buku Teks
Sakamoto, Taro, author
Gadjah Mada University Press, 1982
Buku Teks
Beasley, W.G
University of California Press , 1999
Buku Teks
Cambridge University Press, 2016
eBooks
Cole, Allan B.
Institute of Pacific Relations, 1959
Buku Teks