References

Lorenz, Konrad. 1966. On Aggression. New York : Harcourt Brace and World.

Moore, George E.1903. Principia Ethica. Cambridge : Cambridge Univ. Press.

Ruse, Michael. 1980. “Evolutionary Ethics: A Phoenix Arisen. Zygon, Journal of Religion and Science  21: 95–112.

Ruse, Michael. 1986. Taking Darwin Seriously: A Naturalist Approach to Philosophy. Oxford : Blackwell.

Williams, George C.1988. “Huxleys Evolution and Ethics in Sociobiological Perspective. Zygon: Journal of Religion mid Science  23:383–407.