1. Ainley, Alison. 2005. Levinas, Emmanuel. In The Oxford companion to philosophy, ed. Ted Honderich, 512–513. Oxford: Oxford University Press.
2. Aristotle. 1967. translation. The ethics of Aristotle, the Nicomachean ethics / translated from the Latin by J.A.K.Thomson. Penguin.
3. Aristotle. 1973. translation. Aristotle's 'Ethics' / translated from the Greek by W.D. Ross ... and others ; selected and with an introduction by J.L. Ackrill. London: Faber.
4. Aristotle. 1978. translation. Nicomachean ethics [by] Aristotle. Translated, with introduction and notes, by Martin Ostwald. Indianapolis: Bobbs-Merrill.
5. Avison, David E., Francis Lau, Michael D. Myers, and Peter Axel Nielsen. 1999. Action research. Communications of the ACM 42 (1): 94–97.