Παραπομπή APA

Timmons, M. (2011). Oxford studies in normative ethics. Oxford University Press.

Παραπομπή Chicago Style

Timmons, Mark. Oxford Studies in Normative Ethics. Oxford : New York: Oxford University Press, 2011.

Παραπομπή MLA

Timmons, Mark. Oxford Studies in Normative Ethics. Oxford University Press, 2011.