Some of the books and magazines that Rika has appeared in are as follows.

1998.01.30	Voice Animage 18	Sotsugyou III article, MONO {1 P}
1998.03.10	Animedia April 1998	Sotsugyou III article, MONO {1/4 P}
1998.04.25	Sotsugyou III Memorial Book	message, live report, COLOR {1+1 P}
1998.05.22	Voice Animage 20	Sotsugyou III article, COLOR {2 P}