Hume, D. (1975). Enquiries: Concerning human understanding and concerning the principles of morals. Clarendon Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHume, David. Enquiries: Concerning Human Understanding and Concerning the Principles of Morals. Clarendon Press, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHume, David. Enquiries: Concerning Human Understanding and Concerning the Principles of Morals. Clarendon Press, 1975.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.