Cita APA (7th ed.)

Newton, M., & May, L. (2014). Proportionality in International Law (1a. ed.). Oxford University Press.

Cita Chicago (17th ed.)

Newton, Michael, i Larry May. Proportionality in International Law. 1a. ed. Oxford: Oxford University Press, 2014.

Cita MLA (9th ed.)

Newton, Michael, i Larry May. Proportionality in International Law. 1a. ed. Oxford University Press, 2014.