Lambert, D. (1987). The Cambridge guide to prehistoric man. Cambridge University Press.
Dyfyniad Arddull ChicagoLambert, David. The Cambridge Guide to Prehistoric Man. London: Cambridge University Press, 1987.
Dyfyniad MLALambert, David. The Cambridge Guide to Prehistoric Man. Cambridge University Press, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.