Keenan, J. F. (1992). Goodness and Rightness in Thomas Aquinas's "Summa Theologiae". Georgetown University Press.
Cita Chicago Style (17a ed.)Keenan, James F. Goodness and Rightness in Thomas Aquinas's "Summa Theologiae". Washington: Georgetown University Press, 1992.
Cita MLA (9a ed.)Keenan, James F. Goodness and Rightness in Thomas Aquinas's "Summa Theologiae". Georgetown University Press, 1992.
Precaución: Estas citas no son 100% exactas.