Green, N. (2012). Sufism: A global history. Wiley-Blackwell.
Lua i Stíl Chicago (17ú heag.)Green, Nile. Sufism: A Global History. Chichester, West Sussex ; Malden, MA: Wiley-Blackwell, 2012.
Lua MLA (8ú heag.)Green, Nile. Sufism: A Global History. Wiley-Blackwell, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.