References
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- Finnis John. 1991. Moral Absolutes: Tradition, Revision, and Truth. Michael J. McGivney Lectures of the John Paul II Institute for Studies on Marriage and the Family McGivney Lecture 1. Washington, D.C.: The Catholic University of America Press, 175.
- Flannery Kevin S.J. 1993. What is included in a means to an end? Gregorianum 74: 511–2.
- Grisez Germain, Boyle Joseph A., Finnis John 1991. “Direct” and “Indirect” in Our Action Theory. The Thomist, 66: 1–36.
- Lottin Odon O.S.B. 1932. Le droit naturel chez S. Thomas d'Aquin et ses predecesseurs. Bruges: Bayaert.
- Rhonheimer Martin. 2000. Natural law and practical reason: A Thomist view of moral autonomy, trans. , Malsbary Gerald. New York: Fordham University Press.