(en) Fulvio Crucianiet al., « A Revised Root for the Human Y Chromosomal Phylogenetic Tree : The Origin of Patrilineal Diversity in Africa », The American Journal of Human Genetics, vol. 88, no 6, (DOI10.1016/j.ajhg.2011.05.002, lire en ligne)
(en) Fulvio Crucianiet al., « A Revised Root for the Human Y Chromosomal Phylogenetic Tree : The Origin of Patrilineal Diversity in Africa », The American Journal of Human Genetics, vol. 88, no 6, (DOI10.1016/j.ajhg.2011.05.002, lire en ligne)