APA (7 वां संस्करण) प्रशस्ति पत्र

EWIN, R. (1991). Virtues and rights: The moral philosophy of Thomas Hobbes. Westview.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

EWIN, R.E. Virtues and Rights: The Moral Philosophy of Thomas Hobbes. Boulder: Westview, 1991.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

EWIN, R.E. Virtues and Rights: The Moral Philosophy of Thomas Hobbes. Westview, 1991.