Dols 1974, p. 379. Dols, M. W. (July–September 1974). "Plague in Early Islamic History". Journal of the American Oriental Society. 94 (3): 371–383. doi:10.2307/600071. JSTOR600071.
Dols 1974, pp. 379–380. Dols, M. W. (July–September 1974). "Plague in Early Islamic History". Journal of the American Oriental Society. 94 (3): 371–383. doi:10.2307/600071. JSTOR600071.
Dols 1974, p. 379. Dols, M. W. (July–September 1974). "Plague in Early Islamic History". Journal of the American Oriental Society. 94 (3): 371–383. doi:10.2307/600071. JSTOR600071.
Dols 1974, pp. 379–380. Dols, M. W. (July–September 1974). "Plague in Early Islamic History". Journal of the American Oriental Society. 94 (3): 371–383. doi:10.2307/600071. JSTOR600071.
Guilland 1959, pp. 110–111. Guilland, Rodolphe (1959). "L'Expedition de Maslama contre Constantinople (717–718)". Études byzantines (in French). Paris: Publications de la Faculté des Lettres et Sciences Humaines de Paris: 109–133. OCLC603552986.