1. Alvarez Maria 2010: Kinds of Reasons: An Essay in the Philosophy of Action . Oxford: Oxford University Press.
2. Anscombe G. E. M. 1957: Intention. Oxford: Basil Blackwell.
3. Audi Robert 1993: ‘Acting for Reasons’. In his Action, Intention, and Reason. Ithaca, NY: Cornell University Press.
4. Barry Melissa 2010: ‘Humean Theories of Motivation’. In Shafer-Landau Russ (ed.), Oxford Studies in Metaethics, 5, pp. 195–223.
5. Blackburn Simon 1998: Ruling Passions: A Theory of Practical Reasoning. Oxford: Clarendon Press.