Shone, R. (1972). The Pure theory of international trade. Macmillan.
Chicago Style (17th ed.) ZitazioaShone, R. The Pure Theory of International Trade. London: Macmillan, 1972.
MLA (9th ed.) ZitazioaShone, R. The Pure Theory of International Trade. Macmillan, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.