Okabe, Sara (2011-10-24). Creator's Message: シナリオライター岡部. Type-0 Official Blog (in Japanese). Archived from the original on 2013-10-04. Retrieved 2014-06-23.
Okabe, Sara (2011-10-24). Creator's Message: シナリオライター岡部. Type-0 Official Blog (in Japanese). Archived from the original on 2013-10-04. Retrieved 2014-06-23.