| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Kigyo shite sannen ijo tsuzuku hito to dame na hito no shukan: Juhachinen kaisha ni tsutometa tenkeiteki na sarariman ga kigyogo oku no kigyoka o seiko ni michibiketa riyu. | 978-4-7569-1646-4 (4-7569-1646-5) | 2013 |