Bell, P. R. (1959). Darwin's biological work: Some aspects reconsidered. University Press.
Citación estilo ChicagoBell, Peter Robert. Darwin's Biological Work: Some Aspects Reconsidered. Cambridge [Eng.]: University Press, 1959.
Cita MLABell, Peter Robert. Darwin's Biological Work: Some Aspects Reconsidered. Cambridge [Eng.]: University Press, 1959.
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