Japan: profile of a nation / Kodansha Intanashonaru Kabushiki Kaisha
Kodansha International , 1994
 Buku Teks SO
Japan : profile of a nation
Kodansha International : Distributed in the United States by Kodansha America, 1994.
 Buku Teks SO
Japan : profile of a nation.
Kodansha International : Distributed in the United States by Kodansha America, 1994.
 Buku Teks SO
Kodansha encyclopedia of Japan : suplemen
Kodansha, 1983
 Buku Referensi
Kodansha encyclopedia of Japan; Volume 1
Kodansha, 1983
 Buku Referensi