Milward, Peter
Collins English Library, 1990
Buku Teks
Kodansha International : Distributed in the United States by Kodansha America, 1994.
Buku Teks
Japan Information Center consulat General of Japan at New York, 1988
Buku Teks
Dunn, Charles James
Putnam,, 1969
Buku Teks
edited, Frank J. Schwartz, Susan J. Pharr
Cambridge University Press , 2003
Buku Teks