Carpenter, A., & Fortman, J. (1976). Sudan. Chicago.
Chicago Edition CitationCarpenter, Allan, i Janis Fortman. Sudan. Childrens press: Chicago, 1976.
Cita MLACarpenter, Allan, i Janis Fortman. Sudan. Chicago, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.