Tolong jelaskan mengenai Rujukan dari Said Nursî

Sahiner, Necmettin, Son Sahitler 3, Nesil Yayinlari, 2004.

Thomas F. Michel (2013). Insights from the Risale-i Nur: Said Nursi's Advice for Modern Believers Clifton, NJ: Tughra Books

Mustafa Gökhan Sahin, Said Nursi and the Nur Movement in Turkey: An Atomistic Approach