Olson, S. (2002). Mapping human history: Genes, race, and our common origins (First edition.). Houghton Mifflin.
Chicago-referens (17:e uppl.)Olson, Steve. Mapping Human History: Genes, Race, and Our Common Origins. First edition. Boston: Houghton Mifflin, 2002.
MLA-referens (9:e uppl.)Olson, Steve. Mapping Human History: Genes, Race, and Our Common Origins. First edition. Houghton Mifflin, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.