"高井麻巳子、斉藤由貴は親友？ゆうゆとは不仲だった？あと不仲だったメンバーはだれ？" [Is Makiko Takai a close friend of Yuki Saitō? Did she not get along with Yūyu? Who are the other members she didn't get along with?] (in Japanese). Tokyo, Japan: Byron-bay. 2020-06-01. Retrieved 2022-05-20.
Akasaka, Shigeru, ed. (1987-05-01). "サンバで"かしこ"申し上げます". DUNK (DUNK) (in Japanese). No. March 1987. Tokyo, Japan: Shūeisha. pp. 16–17.
Yasui, Makoto, ed. (1987-10-01). "おニャン子クラブパーフェクトbook" [Onyanko Club Perfect Book]. BOMB (BOMB) (in Japanese). No. October 1987. Tokyo, Japan: Gakken. pp. 106–108.
