"YUI、活動休止を発表「形は変わっていくかもしれませんが、大切な音楽を通して楽しいことをたくさんしていきたい」" [Yui announced her retirement. "The form will probably change, but I want to keep making important music and do lots of fun things.] (in Japanese). Barks. November 19, 2012. Retrieved August 30, 2014.
"YUIが新バンドで音楽活動再開、5月にフェス&イベント出演" [Yui starts works again with her new band, to perform at festivals and events in May.] (in Japanese). Natalie. April 3, 2013. Retrieved August 30, 2014.
"FLOWER FLOWER、au書き下ろしCMソング「月」配信" [Flower Flower releases "Tsuki" digitally, a song written especially for au's commercials] (in Japanese). Natalie. June 28, 2013. Retrieved August 30, 2014.
"「JOIN ALIVE」タイムテーブル発表、大トリはセカオワ" [Join Alive publishes their time-table, SekaOwa featuring as their big finale act] (in Japanese). Natalie. June 27, 2014. Retrieved August 30, 2014.
"FLOWER FLOWER、ライブ定番曲「神様」リリースへ" [Flower Flower releases live favourite "Kamisama".] (in Japanese). Natalie. May 19, 2014. Retrieved August 30, 2014.
"FLOWER FLOWER、五十嵐大介原作映画に主題歌4曲" [Flower Flower writes four theme songs for a film for Daisuke Igarashi's works.] (in Japanese). Natalie. June 4, 2014. Retrieved August 30, 2014.
レコード協会調べ 10月度有料音楽配信認定 [Record Association Investigation: October Digital Music Download Certifications]. RIAJ (in Japanese). November 20, 2006. Retrieved January 23, 2014.
レコード協会調べ 1月度有料音楽配信認定 [Record Association Investigation: January Digital Music Download Certifications]. RIAJ (in Japanese). February 28, 2014. Retrieved March 4, 2014.
web.archive.org
"総力特集YUI" [Super special feature: Yui] (in Japanese). Excite. 2006. Archived from the original on August 30, 2014. Retrieved August 30, 2014.