Dyfyniad APA

Berwick, R. C., & Chomsky, N. (2016). Why only us: Language and evolution. The MIT Press.

Dyfyniad Arddull Chicago

Berwick, Robert C., and Noam Chomsky. Why Only Us: Language and Evolution. Cambridge, Massachusetts: The MIT Press, 2016.

Dyfyniad MLA

Berwick, Robert C., and Noam Chomsky. Why Only Us: Language and Evolution. The MIT Press, 2016.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.