Bickerton, D. (2014). More than nature needs: Language, mind, and evolution. Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Bickerton, Derek. More than Nature Needs: Language, Mind, and Evolution. Cambridge, Massachusetts: Harvard University Press, 2014.
Lua MLA (9ú heag.)Bickerton, Derek. More than Nature Needs: Language, Mind, and Evolution. Harvard University Press, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.