* {{বই উদ্ধৃতি | titleশিরোনাম=The Prophet and the Age of the Caliphates: The Islamic Near East from the 6th to the 11th Century | editionসংস্করণ = Second | lastশেষাংশ=Kennedy| firstপ্রথমাংশ=Hugh N. | authorlinkলেখক-সংযোগ=Hugh N. Kennedy | yearবছর=2004 | publisherপ্রকাশক=Pearson Education Ltd. | locationঅবস্থান=Harlow, UK |isbnআইএসবিএন=0-582-40525-4 | urlইউআরএল = http://books.google.com/books?id=Wux0lWbxs1kC | refসূত্র=harv}}
* {{বই উদ্ধৃতি | editorসম্পাদক-lastশেষাংশ=Kramer | editorসম্পাদক-firstপ্রথমাংশ=Joel L. | editorসম্পাদক-linkসংযোগ= | titleশিরোনাম=The History of al-Ṭabarī, Volume XXXIV: Incipient Decline. The Caliphates of al-Wathiq, al-Mutawakkil, and al-Muntasir A.D. 841-863/A.H. 227-248 | publisherপ্রকাশক=State University of New York Press | locationঅবস্থান=Albany, New York | yearবছর=1989 | isbnআইএসবিএন=0-88706-875-8 | urlইউআরএল=http://books.google.com/books?id=nxyl-gp36y8C | refসূত্র=harv}}
