Greenberg, M. (2014). The Moral Impact Theory of Law. The Yale Law Journal, 123, 1288-1314.
Greenberg, M. (2021). Legal Interpretation.The Stanford Encyclopedia of Philosophy (Fall 2021 Edition), Edward N. Zalta (ed.). https://plato.stanford.edu/archives/fall2021/entries/legal-interpretation/.
Haack, S. (1974). Deviant Logic: Some Philosophical Issues. Cambridge University Press.
Haack, S. (1978). The Philosophy of Logics. Cambridge: Cambridge University Press.
Hart, H.L.A. (1977). American Jurisprudence Through English Eyes: The Nightmare and the Noble Dream, Georgia Law Review, 11, 969-989.
Hart, H.L.A. (1982). Commands and Authoritative Legal Reasons. En H.L.A. Hart, Essays on Bentham (pp. 243-268). Oxford University Press.