組閣後新体制 (in Japanese). AKB48 official site. August 24, 2012. Retrieved August 24, 2012.
"AKB48 32ndシングル 選抜総選挙" [32nd single selection elections]. AKB48 Official Site (in Japanese). June 8, 2013.
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発売日変更のお知らせ (in Japanese). Diva official website (avex marketing Inc.). April 1, 2011. Archived from the original on April 12, 2011. Retrieved March 19, 2012.
Center and A-side lineup information provided by "AKB48 歴代シングル選抜メンバー(2006年~2013年)" [(2006–2013) AKB48 successive single member selection]. entamedata.web.fc2.com. Retrieved September 23, 2013.
発売日変更のお知らせ (in Japanese). Diva official website (avex marketing Inc.). April 1, 2011. Archived from the original on April 12, 2011. Retrieved March 19, 2012.