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Sinai 2011, pp. 407–410. Sinai, Nicolai (2011), "Religious poetry from the Quranic milieu: Umayya b. Abī l-Ṣalt on the fate of the Thamūd", Bulletin of the School of Oriental and African Studies, 74 (3): 397–416, doi:10.1017/S0041977X11000309, JSTOR41287978
Graf & Zwettler 2004, p. 56. Graf, David F.; Zwettler, Michael J. (2004), "The North Arabian 'Thamudic E' Inscription from Uraynibah West", Bulletin of the American Schools of Oriental Research, 335 (335): 53–89, doi:10.2307/4150069, JSTOR4150069, S2CID162185795
Sinai 2011, p. 407. Sinai, Nicolai (2011), "Religious poetry from the Quranic milieu: Umayya b. Abī l-Ṣalt on the fate of the Thamūd", Bulletin of the School of Oriental and African Studies, 74 (3): 397–416, doi:10.1017/S0041977X11000309, JSTOR41287978
Sinai 2011, pp. 407–410. Sinai, Nicolai (2011), "Religious poetry from the Quranic milieu: Umayya b. Abī l-Ṣalt on the fate of the Thamūd", Bulletin of the School of Oriental and African Studies, 74 (3): 397–416, doi:10.1017/S0041977X11000309, JSTOR41287978
Graf & Zwettler 2004, p. 56. Graf, David F.; Zwettler, Michael J. (2004), "The North Arabian 'Thamudic E' Inscription from Uraynibah West", Bulletin of the American Schools of Oriental Research, 335 (335): 53–89, doi:10.2307/4150069, JSTOR4150069, S2CID162185795
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Graf & Zwettler 2004, p. 56. Graf, David F.; Zwettler, Michael J. (2004), "The North Arabian 'Thamudic E' Inscription from Uraynibah West", Bulletin of the American Schools of Oriental Research, 335 (335): 53–89, doi:10.2307/4150069, JSTOR4150069, S2CID162185795