東京メトロ「兄弟車」有楽町線・副都心線17000系と半蔵門線18000系 [Tokyo Metro "Brother Car" Yurakucho Line & Fukutoshin Line 17000 series and Hanzomon Line 18000 series]. Mynavi News (in Japanese). Mynavi Corporation. 2021-09-25. Retrieved 2022-06-20.
tokyometro.jp
"「営団地下鉄」から「東京メトロ」へ" [From "Teito Rapid Transit Authority" to "Tokyo Metro"]. Tokyo Metro Online. 2006-07-08. Archived from the original on 16 May 2012. Retrieved 29 May 2022.
"「営団地下鉄」から「東京メトロ」へ" [From "Teito Rapid Transit Authority" to "Tokyo Metro"]. Tokyo Metro Online. 2006-07-08. Archived from the original on 16 May 2012. Retrieved 29 May 2022.