APA
Thomas G., . (1990). Sudan 1950 - 1985. London: Draf Puplishers Ltd.
Chicago
Thomas Graham, . 1990. Sudan 1950 - 1985. London: Draf Puplishers Ltd.
Harvard
Thomas G., . (1990). Sudan 1950 - 1985. London: Draf Puplishers Ltd.
MLA
Thomas Graham, . Sudan 1950 - 1985. London: Draf Puplishers Ltd. 1990.