佐藤藍子さんをCMに起用! アルゼ、『シャドウハーツ』完成記者発表会 [Aiko Sato has been appointed as a CM! Aruze, "Shadow Hearts" Completion Press Conference]. Dengeki Online (in Japanese). 14 May 2001. Archived from the original on 19 December 2018. Retrieved 22 December 2018.
アルゼ、プレイステーション2用RPG「シャドウ ハーツ」を発表 [Aruze Announces RPG "Shadow Hearts" for PlayStation 2]. Game Watch Impress (in Japanese). 26 January 2001. Archived from the original on 28 June 2013. Retrieved 24 August 2022.
ノーチラス株式会社 – 会社概要 – [Nautilus Inc. – Company Profile –] (in Japanese). Nautilus. Archived from the original on 24 November 2005. Retrieved 24 December 2018.
neogeo.co.jp
www2.neogeo.co.jp
ダイヴアラート [Dive Alert] (in Japanese). SNK. Archived from the original on 3 March 2000. Retrieved 24 December 2018.
サクノス – 会社紹介 [Sacnoth – Company introduction] (in Japanese). Sacnoth. 1999. Archived from the original on 26 August 1999. Retrieved 24 December 2018.
"Sacnoth Q&A" (in Japanese). Sacnoth. p. 6. Archived from the original on 20 October 2002. Retrieved 8 July 2018.
サクノス – Products [Sacnoth – Products] (in Japanese). Sacnoth. Archived from the original on 29 April 2001. Retrieved 24 December 2018.
サクノス – 会社紹介 [Sacnoth – Company introduction] (in Japanese). Sacnoth. 1 April 2000. Archived from the original on 12 February 2001. Retrieved 24 December 2018.
天使の怖れ:菊田 裕樹インタビュー上 [Angel's Fear: Interview with Hiroki Kikuta]. Square Haven (in Japanese). 22 January 2007. p. 2. Archived from the original on 2 June 2016. Retrieved 21 August 2017.
sting.co.jp
クリエイターインスピレーション Vol. 3 – 菊田 裕樹 [Creator Inspiration Vol. 3 – Hiroki Kikuta]. Sting (in Japanese). 25 May 2000. Archived from the original on 18 February 2001. Retrieved 21 August 2017.
クリエイターインスピレーション Vol. 4 – 菊田 裕樹 [Creator Inspiration Vol. 4 – Hiroki Kikuta]. Sting (in Japanese). 14 June 2000. Archived from the original on 16 December 2000. Retrieved 21 August 2017.
クリエイターインスピレーション Vol. 3 – 菊田 裕樹 [Creator Inspiration Vol. 3 – Hiroki Kikuta]. Sting (in Japanese). 25 May 2000. Archived from the original on 18 February 2001. Retrieved 21 August 2017.
サクノス – 会社紹介 [Sacnoth – Company introduction] (in Japanese). Sacnoth. 1999. Archived from the original on 26 August 1999. Retrieved 24 December 2018.
ノーチラス株式会社 – 会社概要 – [Nautilus Inc. – Company Profile –] (in Japanese). Nautilus. Archived from the original on 24 November 2005. Retrieved 24 December 2018.
"Sacnoth Q&A" (in Japanese). Sacnoth. p. 6. Archived from the original on 20 October 2002. Retrieved 8 July 2018.
サクノス – Products [Sacnoth – Products] (in Japanese). Sacnoth. Archived from the original on 29 April 2001. Retrieved 24 December 2018.
クリエイターインスピレーション Vol. 4 – 菊田 裕樹 [Creator Inspiration Vol. 4 – Hiroki Kikuta]. Sting (in Japanese). 14 June 2000. Archived from the original on 16 December 2000. Retrieved 21 August 2017.
天使の怖れ:菊田 裕樹インタビュー上 [Angel's Fear: Interview with Hiroki Kikuta]. Square Haven (in Japanese). 22 January 2007. p. 2. Archived from the original on 2 June 2016. Retrieved 21 August 2017.
サクノス – 会社紹介 [Sacnoth – Company introduction] (in Japanese). Sacnoth. 1 April 2000. Archived from the original on 12 February 2001. Retrieved 24 December 2018.
アルゼ、プレイステーション2用RPG「シャドウ ハーツ」を発表 [Aruze Announces RPG "Shadow Hearts" for PlayStation 2]. Game Watch Impress (in Japanese). 26 January 2001. Archived from the original on 28 June 2013. Retrieved 24 August 2022.
佐藤藍子さんをCMに起用! アルゼ、『シャドウハーツ』完成記者発表会 [Aiko Sato has been appointed as a CM! Aruze, "Shadow Hearts" Completion Press Conference]. Dengeki Online (in Japanese). 14 May 2001. Archived from the original on 19 December 2018. Retrieved 22 December 2018.