"Der Islam", 56.2 (1979): 205-376. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/islm.1979.56.issue-2/issue-files/islm.1979.56.issue-2.xml

Der Islam (1979), 56(2), pp. 205-376. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/islm.1979.56.issue-2/issue-files/islm.1979.56.issue-2.xml

Der Islam. 1979. 56(2): 205-376. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/islm.1979.56.issue-2/issue-files/islm.1979.56.issue-2.xml