APA-čujuhus (7. p.)
Bravmann, M. M., & Rippin, A. (2009). The spiritual background of early Islam: Studies in ancient Arab concepts. Brill.
Chicago-čujuhus (17. p.)
Bravmann, M. M., juo Andrew Rippin. The Spiritual Background of Early Islam: Studies in Ancient Arab Concepts. Leiden ; Boston: Brill, 2009.
MLA-čujuhus (9. p.)
Bravmann, M. M., juo Andrew Rippin. The Spiritual Background of Early Islam: Studies in Ancient Arab Concepts. Brill, 2009.
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