1. Aristotle. 1987. The Poetics of Aristotle: Translation and Commentary by Stephen Halliwell. Chapel Hill: University of North Carolina Press.
2. Collins, J. Hall, Ned, and L.A. Paul. 2004. Causation and Counterfactuals. Cambridge, MA: MIT Press.
3. Dowe, P. 2000. Physical Causation. Cambridge: Cambridge University Press.
4. Hitchcock, Christopher. 2021. Probabilistic Causation. In The Stanford Encyclopedia of Philosophy (Spring 2021 Edition), ed. Edward N. Zalta. https://plato.stanford.edu/archives/spr2021/entries/causation-probabilistic/.
5. Hume, David. 2007. In An Enquiry Concerning Human Understanding, ed. P. Millican. Oxford: Oxford University Press.