APA استشهاد

Gray, C. (2008). International Law & the Use of Force (3.). Oxford University Press.

استشهاد بنمط شيكاغو

Gray, Christine. International Law & the Use of Force. 3. Oxford: Oxford University Press, 2008.

MLA استشهاد

Gray, Christine. International Law & the Use of Force. 3. Oxford University Press, 2008.