Hare, R. (1981). Moral thinking: Its levels, method, and point. Clarendon Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHare, R.M. Moral Thinking: Its Levels, Method, and Point. Clarendon Press, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHare, R.M. Moral Thinking: Its Levels, Method, and Point. Clarendon Press, 1981.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.