میلتون فریدمن
The Social Responsibility of Business is to Increase its Profits, Milton Friedman, مجله نیویورک تایمز, ۱۳ سپتامبر ۱۹۷۰; Interview with Milton Friedman, Dominic Streatfeild, May 25, 2000, source material for Cocaine: An Unauthorised Biography; Milton Friedman vs.