Darwin, C., Barrett, P. H., & Freeman, R. B. (1989). The descent of man, and selection in relation to sex, 1. Pickering.
Citace podle Chicago (17th ed.)Darwin, Charles, Paul H. Barrett, a R. B. Freeman. The Descent of Man, and Selection in Relation to Sex, 1. London: Pickering, 1989.
Citace podle MLA (8th ed.)Darwin, Charles, et al. The Descent of Man, and Selection in Relation to Sex, 1. Pickering, 1989.
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