Knight, Alec; Underhill, Peter A.; Mortensen, Holly M.; Zhivotovsky, Lev A.; Lin, Alice A.; Henn, Brenna M.; Louis, Dorothy; Ruhlen, Merritt et al. (2003): «African Y chromosome and mtDNA divergence provides insight into the history of click languages». Current Biology13 (6): 464–73. doi:10.1016/S0960-9822(03)00130-1. PMID 12646128.
Hammer MF, Karafet TM, Redd AJ, Jarjanazi H, Santachiara-Benerecetti S, Soodyall H & Zegura SL (2001): «Hierarchical patterns of global human Y-chromosome diversity». Molecular Biology and Evolution18 (7): 1189–203. doi:10.1093/oxfordjournals.molbev.a003906. PMID 11420360.
Schlebusch, C. M.; Naidoo, T. & Soodyall, H. (2009): «SNaPshot minisequencing to resolve mitochondrial macro-haplogroups found in Africa». Electrophoresis30 (21): 3657–3664. doi:10.1002/elps.200900197. PMID 19810027.
Knight, Alec; Underhill, Peter A.; Mortensen, Holly M.; Zhivotovsky, Lev A.; Lin, Alice A.; Henn, Brenna M.; Louis, Dorothy; Ruhlen, Merritt et al. (2003): «African Y chromosome and mtDNA divergence provides insight into the history of click languages». Current Biology13 (6): 464–73. doi:10.1016/S0960-9822(03)00130-1. PMID 12646128.
Hammer MF, Karafet TM, Redd AJ, Jarjanazi H, Santachiara-Benerecetti S, Soodyall H & Zegura SL (2001): «Hierarchical patterns of global human Y-chromosome diversity». Molecular Biology and Evolution18 (7): 1189–203. doi:10.1093/oxfordjournals.molbev.a003906. PMID 11420360.
Schlebusch, C. M.; Naidoo, T. & Soodyall, H. (2009): «SNaPshot minisequencing to resolve mitochondrial macro-haplogroups found in Africa». Electrophoresis30 (21): 3657–3664. doi:10.1002/elps.200900197. PMID 19810027.