PHP研究所 (PHPkenkyuujo/kenkyuusho) · 文藝春秋 (bungeishunjuu)
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| 松明(たいまつ)は自分の手で taimatsu(taimatsu)hajibunnotede | 978-4-569-70415-9 (4-569-70415-8) | 2009 |
| 経営に終わりはない (文春文庫) keieiniowarihanai (bunshumbunko) | 978-4-16-713002-2 (4-16-713002-5) | 1998 |