International Society for Arabic Papyrology. Conference, Schubert, A. T., & Sijpesteijn, P. (2015). Documents and the history of the early Islamic world. BRILL.
Chicago-čujuhus (17. p.)International Society for Arabic Papyrology. Conference, Alexander T. Schubert, juo Petra Sijpesteijn. Documents and the History of the Early Islamic World. Leiden, Netherlands: BRILL, 2015.
MLA-čujuhus (9. p.)International Society for Arabic Papyrology. Conference, et al. Documents and the History of the Early Islamic World. BRILL, 2015.
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