Padron:R:NHK Hatsuon
1998, Kamalian ng lua na sa Module:string na nasa linyang 650: attempt to call a nil value (NHK Japanese Pronunciation Accent Dictionary) (sa Wikang Hapon), Tōkyō: NHK, ISBN 978-4-14-011112-3
1998, Kamalian ng lua na sa Module:string na nasa linyang 650: attempt to call a nil value (NHK Japanese Pronunciation Accent Dictionary) (sa Wikang Hapon), Tōkyō: NHK, ISBN 978-4-14-011112-3