Mattes, H. (2005). Sudan. Der Islam in der Gegenwart, 489-498.
Chicago Style (17th ed.) CitationMattes, Hanspeter. "Sudan." Der Islam in Der Gegenwart 2005: 489-498.
MLA (8th ed.) CitationMattes, Hanspeter. "Sudan." Der Islam in Der Gegenwart, 2005, pp. 489-498.
Warning: These citations may not always be 100% accurate.