Παραπομπή σε μορφή APA (7η εκδ.)

Fletcher, G. P. Defending humanity: When force is justified and why. Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Fletcher, George P. Defending Humanity: When Force Is Justified and Why. Oxford: Oxford University Press.

Παραπομπή σε μορφή MLA (9th εκδ.)

Fletcher, George P. Defending Humanity: When Force Is Justified and Why. Oxford University Press.