John Nilsson-Wright (2020-10). “Suga takes the helm”. The World Today (王立国際問題研究所). https://www.chathamhouse.org/publications/the-world-today/2020-10/suga-takes-helm2020年11月8日閲覧. "Constitutional revision may remain a long-term goal given the need for the LDP to maintain support from smaller right-wing parties such as Nippon Ishin no Kai, the Japan Innovation Party, but the government lacks the numbers in parliament to make such a revision a realistic option."
Gregory W. Noble (13 July 2019). “Abe sails toward another electoral victory” (英語). East Asia Forum. 2019年9月7日閲覧。 “... The Japanese Communist Party, two small centre-right regional groupings — Tokyoites First Party and Osaka-based Japan Innovation Party (Ishin) ...”
Gregory W. Noble (13 July 2019). “Abe sails toward another electoral victory” (英語). East Asia Forum. 2019年9月7日閲覧。 “... The Japanese Communist Party, two small centre-right regional groupings — Tokyoites First Party and Osaka-based Japan Innovation Party (Ishin) ...”