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Harman G, Mason K, Sinnott-Armstrong W. Moral Reasoning. In: Doris J, Group TMPR, editors. The Moral Psychology Handbook. Oxford University Press; 2010.

Harman, Gilbert, et al. “Moral Reasoning.” The Moral Psychology Handbook, edited by John Doris and the Moral Psychology Research Group, Oxford University Press, 2010.

Harman G, Mason K, Sinnott-Armstrong W. Moral Reasoning. In: Doris J, Group TMPR, editors. The Moral Psychology Handbook. Oxford University Press; 2010.