Παραπομπή σε μορφή APA (7η εκδ.)

Gill, C. (2005). Virtue, norms, and objectivity: Issues in ancient and modern ethics. Clarendon Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gill, Christopher. Virtue, Norms, and Objectivity: Issues in Ancient and Modern Ethics. Oxford: Clarendon Press, 2005.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gill, Christopher. Virtue, Norms, and Objectivity: Issues in Ancient and Modern Ethics. Clarendon Press, 2005.