McBrearty, Sally; Brooks, Alison S. (2000-11-01). "The revolution that wasn't: a new interpretation of the origin of modern human behavior". Journal of Human Evolution. 39 (5): 453–563. doi:10.1006/jhev.2000.0435. ISSN0047-2484. PMID11102266. S2CID42968840.
Bryceson, Deborah Fahy (20 May 2009). "The urban melting pot in east Africa: Ethnicity and urban growth in Kampala and dar es Salaam". African Cities. pp. 241–260. doi:10.1163/ej.9789004162648.i-308.67. ISBN9789004162648.
Anthropology, The University of Texas at Austin, Department of. "Olduvai - eFossils Resources". www.efossils.org. Retrieved 5 April 2018.{{cite web}}: CS1 maint: multiple names: authors list (link)
McBrearty, Sally; Brooks, Alison S. (2000-11-01). "The revolution that wasn't: a new interpretation of the origin of modern human behavior". Journal of Human Evolution. 39 (5): 453–563. doi:10.1006/jhev.2000.0435. ISSN0047-2484. PMID11102266. S2CID42968840.
McBrearty, Sally; Brooks, Alison S. (2000-11-01). "The revolution that wasn't: a new interpretation of the origin of modern human behavior". Journal of Human Evolution. 39 (5): 453–563. doi:10.1006/jhev.2000.0435. ISSN0047-2484. PMID11102266. S2CID42968840.
McBrearty, Sally; Brooks, Alison S. (2000-11-01). "The revolution that wasn't: a new interpretation of the origin of modern human behavior". Journal of Human Evolution. 39 (5): 453–563. doi:10.1006/jhev.2000.0435. ISSN0047-2484. PMID11102266. S2CID42968840.