Παραπομπή APA

(2008). At the crossroads: The world trading system and the Doha round. Springwien.

Παραπομπή Chicago Style

At the Crossroads: The World Trading System and the Doha Round. New York: Springwien, 2008.

Παραπομπή MLA

At the Crossroads: The World Trading System and the Doha Round. Springwien, 2008.