Fadiman, J. E., & Frager,Robert Ed. (1999). Sufism. Harper Collins Publishers.
Čikaški stil citiranjaFadiman, James Ed, i Frager,Robert Ed. Sufism. New York: Harper Collins Publishers, 1999.
MLA način citiranjaFadiman, James Ed, i Frager,Robert Ed. Sufism. Harper Collins Publishers, 1999.
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