Robson, P. (1998). The economics of international integration (4th ed.). Routledge.
Chicago Style aipamenaRobson, Peter. The Economics of International Integration. 4th ed. London: Routledge, 1998.
MLA aipamenaRobson, Peter. The Economics of International Integration. 4th ed. Routledge, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.