Clark, G. (1994). Space, Time and Man: A Prehistorian's View. Cambridge University Press.
Dyfyniad Arddull ChicagoClark, Grahame. Space, Time and Man: A Prehistorian's View. Cambridge: Cambridge University Press, 1994.
Dyfyniad MLAClark, Grahame. Space, Time and Man: A Prehistorian's View. Cambridge University Press, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.