(2008). At the crossroads: The world trading system and the Doha round. Springwien.
Chicago Style aipamenaAt the Crossroads: The World Trading System and the Doha Round. New York: Springwien, 2008.
MLA aipamenaAt the Crossroads: The World Trading System and the Doha Round. Springwien, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.