APA
Thomas G. F., . (1993). Sudan. London: Darf Publishers LTD.
Chicago
Thomas Graham F, . 1993. Sudan. London: Darf Publishers LTD.
Harvard
Thomas G. F., . (1993). Sudan. London: Darf Publishers LTD.
MLA
Thomas Graham F, . Sudan. London: Darf Publishers LTD. 1993.