Saussine, A. P., & Murphy, J. B. (2013). The Nature of Customary Law. Cambridge University Press.
Chicago Style aipamenaSaussine, Amanda Perrreau, và James Bernard Murphy. The Nature Of Customary Law. Cambridge University Press, 2013.
MLA aipamenaSaussine, Amanda Perrreau, và James Bernard Murphy. The Nature Of Customary Law. Cambridge University Press, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.