"海岸線の歴史と建設工事" [Kaigan Line History and Construction Work] (PDF). SUBWAY (in Japanese). No. 220. Tokyo, Japan: Japan Subway Association. 27 February 2019. p. 38. ISSN0289-5668. Archived from the original(PDF) on 14 June 2020. Retrieved 22 November 2022.
kobe-np.co.jp
"累積赤字1千億円超、地下鉄海岸線 開業20年、一度も黒字なし 神戸の下町、活性化遠く" [Cumulative Deficit of the Kaigan Line reaches 100 Billion Yen 20 Years Since Opening]. Kobe Shimbun Online (in Japanese). 27 July 2021. Archived from the original on 28 July 2021. Retrieved 23 November 2022.
web.archive.org
"海岸線の歴史と建設工事" [Kaigan Line History and Construction Work] (PDF). SUBWAY (in Japanese). No. 220. Tokyo, Japan: Japan Subway Association. 27 February 2019. p. 38. ISSN0289-5668. Archived from the original(PDF) on 14 June 2020. Retrieved 22 November 2022.
"累積赤字1千億円超、地下鉄海岸線 開業20年、一度も黒字なし 神戸の下町、活性化遠く" [Cumulative Deficit of the Kaigan Line reaches 100 Billion Yen 20 Years Since Opening]. Kobe Shimbun Online (in Japanese). 27 July 2021. Archived from the original on 28 July 2021. Retrieved 23 November 2022.
worldcat.org
search.worldcat.org
"海岸線の歴史と建設工事" [Kaigan Line History and Construction Work] (PDF). SUBWAY (in Japanese). No. 220. Tokyo, Japan: Japan Subway Association. 27 February 2019. p. 38. ISSN0289-5668. Archived from the original(PDF) on 14 June 2020. Retrieved 22 November 2022.