Black, Sue; Ferguson, Eilidh (2011). Forensic Anthropology: 2000 to 2010. Taylor and Francis Group. tr. 127. ISBN9781439845899. Truy cập ngày 3 tháng 7 năm 2018. "There are considered to be four basic ancestry groups into which an individual can be placed by physical appearance, not accounting for admixture: the sub-Saharan African group ("Negroid"), the European group ("Caucasoid"), the Central Asian group ("Mongoloid"), and the Australasian group ("Australoid"). The rather outdated names of all but one of these groups were originally derived from geography"