1. Regulations and Status of New Transit Systems;Baba;Traffic Engineering,1985
2. City of Kitakyushu (1984). Kitakyushu Urban Monorail.
3. City of Kitakyushu (1985). Kiktakyushu Toshi-Monorail Kokura Sen: Kensetsu no Ayumi, (Construction process of urban monorail in Kitakyushu) (Japanese).
4. City of Osaka (1985). Osaka Monorail Gigyo no Gaikyo, (General information of Osaka Monorail) (Japanese).
5. Japanese Ministry of Construction, Bureau of Construction (1982). Toshi-Monorail tono Tekiosei ni Kansuru Chosa Hokokusho. (Report on the feasibility of urban monorail) (Japanese).