Kingdon, J. (2003). Lowly origin: Where, when, and why our ancestors first stood up. Princeton University Press.
Chicago-čujuhus (17. p.)Kingdon, Jonathan. Lowly Origin: Where, When, and Why Our Ancestors First Stood Up. Princeton: Princeton University Press, 2003.
MLA-čujuhus (9. p.)Kingdon, Jonathan. Lowly Origin: Where, When, and Why Our Ancestors First Stood Up. Princeton University Press, 2003.
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