APA-viite (7. p.)

Ruys, T. (2018). The Use of Force in International Law. Oxford University Press.

Chicago-viite (17. p.)

Ruys, Tom. The Use of Force in International Law. Oxford: Oxford University Press, 2018.

MLA-viite (9. p.)

Ruys, Tom. The Use of Force in International Law. Oxford University Press, 2018.