"Der Islam", 63.2 (1986): 189-374. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/j/islm.1986.63.issue-2/issue-files/islm.1986.63.issue-2.xml

Der Islam (1986), 63(2), pp. 189-374. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/j/islm.1986.63.issue-2/issue-files/islm.1986.63.issue-2.xml

Der Islam. 1986. 63(2): 189-374. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/j/islm.1986.63.issue-2/issue-files/islm.1986.63.issue-2.xml