1. Allais, Maurice. 1979. The Foundations of a Positive Theory of Choice Involving Risk and a Criticism of the Postulates and Axioms of the American School. In Expected Utility Hypothesis and the Allais Paradox, ed. Maurice Allais and Ole Hagen, 27–145. Dordrecht: Reidel.
2. Anscombe, G.E.M. 2005. Human Life, Action and Ethics. Exeter: Imprint Academic.
3. Aristotle. 1955. Ethics. Trans. J.A.K. Thomson. Harmondsworth: Penguin.
4. ———. 2004. On the Motion of Animals. Trans. A.S.L. Farquharson. Adelaide: University of Adelaide. eBooks@Adelaide.
http://etext.library.adelaide.edu.au/a/aristotle/motion
. Accessed 30 March 2007.
5. ———. 2007a. Prior Analytics. Trans. A.J. Jenkinson. Adelaide: University of Adelaide. eBooks@Adelaide.
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. Accessed 3 Jan 2011.