Dyfyniad APA
Hey, J. (2001). Genes, categories, and species: The evolutionary and cognitive causes of the species problem. Oxford University Press.
Dyfyniad Arddull Chicago
Hey, Jody. Genes, Categories, and Species: The Evolutionary and Cognitive Causes of the Species Problem. Oxford ; New York: Oxford University Press, 2001.
Dyfyniad MLA
Hey, Jody. Genes, Categories, and Species: The Evolutionary and Cognitive Causes of the Species Problem. Oxford University Press, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.