Gaya APA

Petersen, P, O, F, B, J, B, D, C, M, C, H. (2005). The Role of Customary Law in Sustainable Development . : Cambridge University Press.

Gaya MLA

Petersen, Peter, Orebech;, Fred, Bosselman;, Jes, Bjarup;, David, Callies;, Martin, Chanock;, Hanne. "The Role of Customary Law in Sustainable Development". : Cambridge University Press, 2005. Text.