Darwin, C. (1981). The descent of man, and selection in relation to sex. Princeton University Press.
Chicago-čujuhus (17. p.)Darwin, Charles. The Descent of Man, and Selection in Relation to Sex. Princeton, N.J.: Princeton University Press, 1981.
MLA-čujuhus (9. p.)Darwin, Charles. The Descent of Man, and Selection in Relation to Sex. Princeton University Press, 1981.
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