APA aipamena

Hume, D., & Beauchamp, T. L. (1998). An enquiry concerning the principles of morals. Oxford University Press.

Chicago Style aipamena

Hume, David, and Tom L. Beauchamp. An Enquiry Concerning the Principles of Morals. Oxford ; New York: Oxford University Press, 1998.

MLA aipamena

Hume, David, and Tom L. Beauchamp. An Enquiry Concerning the Principles of Morals. Oxford University Press, 1998.