(1958). Arabic in Sudan: Percentage of population by census area. Dept. of Statistics.
Chicago-Zitierstil (17. Ausg.)Arabic in Sudan: Percentage of Population by Census Area. Khartoum: Dept. of Statistics, 1958.
MLA-Zitierstil (9. Ausg.)Arabic in Sudan: Percentage of Population by Census Area. Dept. of Statistics, 1958.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.