Armstrong, J. D., Farrell, T., & Lambert, H. (2007). International law and international relations. Cambridge University Press.
Chicago Style aipamenaArmstrong, J. D., Theo Farrell, and Helene Lambert. International Law and International Relations. Cambridge, Eng: Cambridge University Press, 2007.
MLA aipamenaArmstrong, J. D., et al. International Law and International Relations. Cambridge University Press, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.