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