APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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