Crisp, R. (1997). Mill on utilitarianism. Routledge.
Tohutoru Kātū Chicago (17th ed.)Crisp, Roger. Mill on Utilitarianism. London: Routledge, 1997.
Tohutoro MLA (9th ed.)Crisp, Roger. Mill on Utilitarianism. Routledge, 1997.
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