Gaya APA

Nursi, B, S., Vahide, S. (2005). Letters 1928-1932 (New (revised) edition 2001). Istanbul: SOZLER.

Gaya MLA

Nursi, Bediuzzaman, Said., Vahide, Sukran. "Letters 1928-1932". New (revised) edition 2001 Istanbul: SOZLER, 2005. Text.