Clap, T. (1765). An essay on the nature and foundation of moral virtue and obligation: Being a short introduction to the study of ethics; for the use of the students of Yale-college. Printed by B. Mecom.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रClap, Thomas. An Essay on the Nature and Foundation of Moral Virtue and Obligation: Being a Short Introduction to the Study of Ethics; for the Use of the Students of Yale-college. New-Haven: Printed by B. Mecom, 1765.
एमएलए (8वां संस्करण) प्रशस्ति पत्रClap, Thomas. An Essay on the Nature and Foundation of Moral Virtue and Obligation: Being a Short Introduction to the Study of Ethics; for the Use of the Students of Yale-college. Printed by B. Mecom, 1765.
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