1. Aarnio, Aulis. 1987. The Rational as Reasonable: A Treatise on Legal Justification. Dordrecht: Reidel.
2. Aarnio, Aulis. 1989. Laintulkinnan teoria. Porvoo/Helsinki/Juva: W. Söderström.
3. Adeodato, João Maurício. 1999. The Rhetorical Syllogism (Enthymeme) in Judicial Argumentation. International Journal for the Semiotics of Law, vol. 12: 135-152. https://doi.org/10.1023/A:1008998121097
4. Aher, Martin. 2013. Modals in Legal Language. Osnabrück: Osnabrück University. PhD Thesis.
5. Arntz, Reiner. 2002. The Roman Heritage in German Legal Language. In: The Development of Legal Language, ed. Heikki E. S. Mattila, 33 - 54. Helsinki: Kauppakaari.