APA aipamena

Kupperman, J. (2007). Ethics and qualities of life. Oxford University Press.

Chicago Style aipamena

Kupperman, Joel. Ethics and Qualities of Life. New York: Oxford University Press, 2007.

MLA aipamena

Kupperman, Joel. Ethics and Qualities of Life. Oxford University Press, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.