Bickerton, D. (2014). More than nature needs: Language, mind, and evolution. Harvard University Press.
Chicago-čujuhus (17. p.)Bickerton, Derek. More than Nature Needs: Language, Mind, and Evolution. Cambridge, Massachusetts: Harvard University Press, 2014.
MLA-čujuhus (9. p.)Bickerton, Derek. More than Nature Needs: Language, Mind, and Evolution. Harvard University Press, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.