CHAPTER 11: Egoism or Altruism: Hard-Nosed Experiments and Deep Philosophical Questions
edited by Douglas T. Kenrick, 1948-, Sanford L. Braver and Noah J. Goldstein; with Jon K. Maner, fl. 2003 and Stephanie Brown, fl. 1997; in Six Degrees of Social Influence: Science, Application, and the Psychology of Robert Cialdini (New York, NY: Oxford University Press, 2012, originally published 2012), [109]-118