AKB48公式サイト AKB48 41stシングル 選抜総選挙 [41st single selection elections]. AKB48 Official Site (in Japanese). Archived from the original on June 7, 2015. Retrieved November 11, 2015.
"AKB48 13thシングル選抜総選挙 結果発表" [13th single selection general election result announced]. AKB48 Official Blog (in Japanese). Ameblo.jp. July 8, 2009. Retrieved January 13, 2014.
"AKB48 選抜総選挙 結果" [AKB48 Selection Election]. AKB48 Official Blog (in Japanese). Ameblo.jp. June 9, 2010. Retrieved January 13, 2014.
"AKB48 22ndシングル選抜総選挙結果" [AKB48 22nd Single selection Election]. AKB48 Official Blog (in Japanese). Ameblo.jp. June 10, 2011. Retrieved January 13, 2014.
"AKB48 27thシングル選抜総選挙 開票結果" [AKB48 27th Single selection election vote counting result]. AKB48 Official Blog (in Japanese). Ameblo.jp. June 6, 2012. Retrieved January 13, 2014.
AKB48公式サイト AKB48 41stシングル 選抜総選挙 [41st single selection elections]. AKB48 Official Site (in Japanese). Archived from the original on June 7, 2015. Retrieved November 11, 2015.