Cita APA (7th ed.)

ebrary, Inc, Perreau-Saussine, A., & Murphy, J. B. (2007). The nature of customary law. Cambridge University Press.

Cita Chicago (17th ed.)

ebrary, Inc, Amanda Perreau-Saussine, i James Bernard Murphy. The Nature of Customary Law. Cambridge: Cambridge University Press, 2007.

Cita MLA (9th ed.)

ebrary, Inc, et al. The Nature of Customary Law. Cambridge University Press, 2007.