| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| ONE to ONEマーケティング―すべてがわかるQ&A100 ONE to ONEmaーketeingu―subetegawakaruQ&A100 | 978-4-478-50170-2 (4-478-50170-X) | 1999 |
| そのお客様をつなぎ止めろ!―特命プロジェクト一〇〇〇日の闘い sonohkyakusamawotsunagiyamero!―tokumeipurojiekutohajime/ | 978-4-478-50208-2 (4-478-50208-0) | 2002 |
C C · C. Chao · C. Choi · C. Chu · Ca Ce · CAO CAO · Caw Caw · Cee Cee · Cha Cha · Cha Chue · Chao-Chou · Chao Chu · Cheo Cheo · Chi-co. · Chiyue Chiu · Ci Cao · CJ Cui