Gaya APA

Hume, D, (. (1957). An inquiry concerning the principles of morals, with a supplement: A dialogue, ed.with an introd. by Ch.W.Hendel. . New York: The Liberal Arts Press.

Gaya MLA

Hume, D., (1711-1776).. "An inquiry concerning the principles of morals, with a supplement: A dialogue, ed.with an introd. by Ch.W.Hendel. ". New York: The Liberal Arts Press, 1957. Buku.