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. B. Mecom.
Chicago-viite (17. p.)Clap, 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: B. Mecom, 1765.
MLA-viite (8. p.)Clap, 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. B. Mecom, 1765.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.