久保田利伸"クリスマスイブ・ベイビー"誕生 [Christmas Eve baby for Toshinobu Kubota]. Yahoo News (in Japanese). Japan: Yahoo Japan Corporation. 25 December 2004. Archived from the original on 25 December 2004. Retrieved 14 August 2012.
久保田利伸"クリスマスイブ・ベイビー"誕生 [Christmas Eve baby for Toshinobu Kubota]. Yahoo News (in Japanese). Japan: Yahoo Japan Corporation. 25 December 2004. Archived from the original on 25 December 2004. Retrieved 14 August 2012.
yomiuri.co.jp
hochi.yomiuri.co.jp
久保田利伸がユーミン、陽水をカバー. Natalie (in Japanese). 25 October 2010. Archived from the original on 27 October 2010. Retrieved 20 November 2010.