1. Agostino D’Ippona (1991[388]) De moribus ecclesiae catholicae et the moribus Manichaeorum. De quantitative animae. Commenti di Coyle JK, Decret F, Clerici A, Fortin EL, Vannier MA, Porro P, Balidp G. Edizioni Augustinus, Palermo
2. Alford H (2013) The influence of Thomistic thought in contemporary business ethics. In: Lüetge C (ed) The handbook of the philosophical foundations of business ethics. Springer, Heidelberg, pp 227–250
3. Aquinas T (1981[1273]) Summa Theologiae. Burns Oates and Washbourne, Ltd, London
4. Aristotle (1980) The Nicomachean Ethics. Oxford University Press, Oxford - New York. First published in 1925
5. Azevedo Alves A, Moreira JM (2013) Business ethics in the school of Salamanca. In: Lüetge C (ed) Handbook of the philosophical foundations of business ethics. Springer, Heidelberg, pp 207–225