Cita APA (7a ed.)

Blackburn, S. (2003). Ethics: A Very Short Introduction (1st.). Oxford.

Cita Chicago Style (17a ed.)

Blackburn, Simon. Ethics: A Very Short Introduction. 1st. Oxford, 2003.

Cita MLA (9a ed.)

Blackburn, Simon. Ethics: A Very Short Introduction. 1st. Oxford, 2003.