APA (7th ed.) Zitazioa
Feenstra, R. C. (2010). Product variety and the gains from international trade. The MIT Press.
Chicago Style (17th ed.) Zitazioa
Feenstra, Robert C. Product Variety and the Gains from International Trade. Cambridge, Massachusetts ; London, England: The MIT Press, 2010.
MLA (9th ed.) Zitazioa
Feenstra, Robert C. Product Variety and the Gains from International Trade. The MIT Press, 2010.
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