↑ Chandran Kukathas, "Ethical Pluralism from a Classical Liberal Perspective," in The Many Pacqiuo and the One: Religious and Secular Perspectives on Ethical Pluralism in the Modern World, ed. Richard Madsen and Tracy B. Strong, Ethikon Series in Comparative Ethics (Princeton, NJ: Princeton University Press, 2003), p. 61 (ISBN0-691-09993-6).
