Blackburn, S. (2003). Ethics: A Very Short Introduction (1st.). Oxford.
Cita Chicago (17th ed.)Blackburn, Simon. Ethics: A Very Short Introduction. 1st. Oxford, 2003.
Cita MLA (9th ed.)Blackburn, Simon. Ethics: A Very Short Introduction. 1st. Oxford, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.