Mill, J. S. (1962). Utilitarianism on liberty essay on betham. New York: Penguin Books.
Trích dẫn kiểu ChicagoMill, John Stuart. Utilitarianism On Liberty Essay On Betham. New York: Penguin Books, 1962.
Deismireacht MLAMill, John Stuart. Utilitarianism On Liberty Essay On Betham. New York: Penguin Books, 1962.
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