Barnard, A. (2016). Language In Prehistory. Cambridge University Press.
Dyfyniad Arddull ChicagoBarnard, Alan. Language In Prehistory. Cambridge: Cambridge University Press, 2016.
Dyfyniad MLABarnard, Alan. Language In Prehistory. Cambridge University Press, 2016.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.