APA-čujuhus (7. p.)
Morritt, R. D. (2011). Beringia: Archaic migrations into North America. Cambridge Scholars Pub..
Chicago-čujuhus (17. p.)
Morritt, Robert D. Beringia: Archaic Migrations into North America. Newcastle upon Tyne: Cambridge Scholars Pub., 2011.
MLA-čujuhus (9. p.)
Morritt, Robert D. Beringia: Archaic Migrations into North America. Cambridge Scholars Pub., 2011.
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