Hideshi Narumi

Nichi-Ō-A hikaku gengo

Nichi-Ō-A hikaku gengo

2002

Nihon sogo to Indo-Yōroppa sogo

2001

Ainu sogo to Indo-Yōroppa sogo

Ainu sogo to Indo-Yōroppa sogo

2000

Ainugo to Indo-Yōroppa sogo

1999

Nihongo to Eigo no kigen

Nihongo to Eigo no kigen

1997

Nihongo to Indo-Yōroppa-go

Nihongo to Indo-Yōroppa-go

1989