Crisp, R. (1997). Mill on utilitarianism. Routledge.
Cita Chicago (17th ed.)Crisp, Roger. Mill on Utilitarianism. London: Routledge, 1997.
Cita MLA (9th ed.)Crisp, Roger. Mill on Utilitarianism. Routledge, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.