1. Aristotle (1992). In M. Woods (Ed.), Eudemian ethics: Books I, II, VIII. Oxford, New York: Oxford University Press.
2. Aristotle (2002). In C. Rowe & S. Broadie (Eds.), Nicomachean ethics. Oxford: Oxford University Press.
3. Berger, P. L. (1993). A far glory. The quest for faith in an age of credulity. New York: The Free Press.
4. Berger, P. L., & Luckmann, T. (1966/1987). The social construction of reality. A treatise in the sociology of knowledge. Harmondsworth: Penguin.
5. Cooper, J. M. (1977). Aristotle on the forms of friendship. The Review of Metaphysics, 4(120), 619–648.