Graduate College, Khartum. (1984). Graduate College publications. University of Khartoum, Graduate College.
Chicago-Zitierstil (17. Ausg.)Graduate College, Khartum. Graduate College Publications. Khartoum: University of Khartoum, Graduate College, 1984.
MLA-Zitierstil (8. Ausg.)Graduate College, Khartum. Graduate College Publications. University of Khartoum, Graduate College, 1984.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.