Sasō, 原作者のことば. Sasō, Akira. "原作者のことば" [From the Author]. Official Website of Kodomo no Kodomo (in Japanese). Archived from the original on 26 August 2016. Retrieved 24 July 2014.
Sasō, 原作者のことば. Sasō, Akira. "原作者のことば" [From the Author]. Official Website of Kodomo no Kodomo (in Japanese). Archived from the original on 26 August 2016. Retrieved 24 July 2014.