Omar Khayyâm. L.P. Elwell-Sutton.
In: Eshan Yarshater. Persian Literature. Albany : Bibliotheca Persica. [1988]. ISBN: 0887062636
Omar Khayyâm. L.P. Elwell-Sutton.
In: Eshan Yarshater. Persian Literature. Albany : Bibliotheca Persica. [1988]. ISBN: 0887062636