Cela Conde, C. J., & Ayala, F. J. (2007). Human evolution: Trails from the past. Oxford University Press.
Čikaški stil citiranja (17. izdanje)Cela Conde, Camilo José, i Francisco José Ayala. Human Evolution: Trails from the Past. Oxford ; New York: Oxford University Press, 2007.
MLA način citiranja (9. izdanje)Cela Conde, Camilo José, i Francisco José Ayala. Human Evolution: Trails from the Past. Oxford University Press, 2007.
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