| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Japan: Nihongo. kankoku. | Tankobon Hardcover | 978-4-7958-1993-1 | 2002 | |
| Kankokugoban | " | 978-4-7958-3853-6 | 2009 | Shihyon Kan |
| Kankokugohen | " | 978-4-7958-2863-6 | 2004 | |
| Kankoku: Kankokugo | " | 978-4-7958-4103-1 | 2010 | |
| Kankoku: Kankokugo | Paperback Bunko | 978-4-7958-3903-8 | 2009 | |