Gaya APA

Nasr, S, H. (1991). Sufi essays / Seyyed Hossein Nasr (Ed. 2). : State University.

Gaya MLA

Nasr, Seyyed, Hossein. "Sufi essays / Seyyed Hossein Nasr". Ed. 2 : State University, 1991. Referensi.