APA-referens (7:e uppl.)

Ruys, T. (2010). "Armed attack" and Article 51 of the UN Charter: Evolutions in customary law and practice. Cambridge University Press.

Chicago-referens (17:e uppl.)

Ruys, Tom. "Armed Attack" and Article 51 of the UN Charter: Evolutions in Customary Law and Practice. New York: Cambridge University Press, 2010.

MLA-referens (9:e uppl.)

Ruys, Tom. "Armed Attack" and Article 51 of the UN Charter: Evolutions in Customary Law and Practice. Cambridge University Press, 2010.