Peacock, J. L., & Kirsch, A. T. (1970). The human direction: An evolutionary approach to social and cultural anthropology. Appleton-Century-Crofts.
Dyfyniad Arddull ChicagoPeacock, James L., and A. Thomas Kirsch. The Human Direction: An Evolutionary Approach to Social and Cultural Anthropology. New York: Appleton-Century-Crofts, 1970.
Dyfyniad MLAPeacock, James L., and A. Thomas Kirsch. The Human Direction: An Evolutionary Approach to Social and Cultural Anthropology. Appleton-Century-Crofts, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.