^Ueshin, Daisuke (17 March 2017). 東急田園都市線2020系、新型車両は「これまでにない新しさ」2018年春導入へ [New Tokyu Denentoshi Line 2020 series trains to be introduced in spring 2018]. Mynavi News (in Japanese). Japan. Archived from the original on 19 March 2017. Retrieved 19 March 2017.
^Ueshin, Daisuke (26 March 2019). "東急電鉄3020系、目黒線に新型車両 - 今秋から6両編成を3編成導入" [Tokyu Corporation 3020 series, new trains on Meguro Line - 3 trains introduced in 6 car formation from this fall]. news.mynavi.jp (in Japanese). Mynavi Corporation. Archived from the original on 17 January 2021. Retrieved 24 July 2019.
^Ueshin, Daisuke (12 October 2017). 東急大井町線、新型車両6020系を来春導入! 急行を7両編成化、3月ダイヤ改正 [New Tokyu Omimachi Line 6020 series trains to be introduced next spring - express services to be lengthened to 7 cars by March timetable revision]. Mynavi News (in Japanese). Japan. Archived from the original on 12 October 2017. Retrieved 12 October 2017.