Farb, P. (1978). Man's rise to civilization: The cultural ascent of the Indians of North America (Rev.2nd ed.). Penguin.
Dyfyniad Arddull ChicagoFarb, Peter. Man's Rise to Civilization: The Cultural Ascent of the Indians of North America. Rev.2nd ed. New York: Penguin, 1978.
Dyfyniad MLAFarb, Peter. Man's Rise to Civilization: The Cultural Ascent of the Indians of North America. Rev.2nd ed. Penguin, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.