Bradley, R. J. (1992). Nomads in the archaeological record: Case studies in the northern provinces of the Sudan. University of Cambridge.
Chicago-referens (17:e uppl.)Bradley, Rebecca J. Nomads in the Archaeological Record: Case Studies in the Northern Provinces of the Sudan. University of Cambridge, 1992.
MLA-referens (8:e uppl.)Bradley, Rebecca J. Nomads in the Archaeological Record: Case Studies in the Northern Provinces of the Sudan. University of Cambridge, 1992.
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