Olson, S. (2002). Mapping human history: Discovering the past through our genes. Houghton Mifflin.
Chicago-viite (17. p.)Olson, Steve. Mapping Human History: Discovering the Past Through Our Genes. Boston: Houghton Mifflin, 2002.
MLA-viite (8. p.)Olson, Steve. Mapping Human History: Discovering the Past Through Our Genes. Houghton Mifflin, 2002.
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