Dyfyniad APA

Pryor, F. L. (2005). Economic systems of foraging, agricultural and industrial societies. Cambridge, UK: Cambridge University Press.

Dyfyniad Arddull Chicago

Pryor, Frederic L. Economic Systems of Foraging, Agricultural and Industrial Societies. Cambridge, UK: Cambridge University Press, 2005.

Dyfyniad MLA

Pryor, Frederic L. Economic Systems of Foraging, Agricultural and Industrial Societies. Cambridge, UK: Cambridge University Press, 2005.

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