Inama, S. (2009). Rules of origin in international trade. Cambridge University Press.
Chicago Style aipamenaInama, Stefano. Rules of Origin in International Trade. Cambridge: Cambridge University Press, 2009.
MLA aipamenaInama, Stefano. Rules of Origin in International Trade. Cambridge University Press, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.