Hossain, S. F. (1981). The sufis of today. [s.n.].
Cita Chicago Style (17a ed.)Hossain, Seyyed F. The Sufis of Today. [S.l.]: [s.n.], 1981.
Cita MLA (9a ed.)Hossain, Seyyed F. The Sufis of Today. [s.n.], 1981.
Precaución: Estas citas no son 100% exactas.