Rickaby, J. (1906). Free will and four English philosophers: Hobbes, Locke, Hume and Mill. Burns and Oates.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRickaby, Joseph. Free Will and Four English Philosophers: Hobbes, Locke, Hume and Mill. London: Burns and Oates, 1906.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRickaby, Joseph. Free Will and Four English Philosophers: Hobbes, Locke, Hume and Mill. Burns and Oates, 1906.
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