APA
Wildung D., Liepe J. I. d. m. a. (., . (1997). Sudan. New York: Flammarion.
Chicago
Wildung Dietrich, Liepe Jurgen Institut du monde arabe (France), . 1997. Sudan. New York: Flammarion.
Harvard
Wildung D., Liepe J. I. d. m. a. (., . (1997). Sudan. New York: Flammarion.
MLA
Wildung Dietrich, Liepe Jurgen Institut du monde arabe (France), . Sudan. New York: Flammarion. 1997.