Coba jelasin Réferénsi dari Sumpit (parabot) dalam bahasa sunda dong

Abe Masamichi, Hashi no hanashi: hashi to shoku no bunka-shi, Horupu shuppan, Juli 1993, ISBN 4-593-53426-7

Isshiki Hachirō, Hashi, Kara bukksu, Hoikusha, November 1991, ISBN 4-586-50816-7

Isshiki Hachirō, Hashi no bunka-shi: sekai no hashi, nihon no hashi, Ocha no mizu shobō, Désémber 1990, ISBN 4-275-01406-5, edisi revisi: Januari 1993, ISBN 4-275-01491-X, cetakan baru: Agustus 1998, ISBN 4-275-01731-5

Isshiki Hachirō, Nihonjin wa naze hashi o tsukau ka, Ōtsuki shoten, November 1987, ISBN 4-272-60026-5

Egashira Masae, Hashi no hanashi, JDC, Désémber 1987, ISBN 4-272-60026-5

Kogura Akiko (ed.), Hashizukai ni jushin ga tsuku hon: utsukushii hashi sahō wa wa no kokoro, Riyon sha, Januari 2006, ISBN 4-576-05221-7

Takahashi Ryūta, Kyūkyoku no ohashi, Sanseidō, Désémber 2003, ISBN 4-385-36192-4

Mukai Yukiko, Hashimoto Keiko, Hashi mono to ningen no bunka-shi, Hōsei daigaku shuppan kyoku, November 2001,ISBN 4-588-21021-1