APA aipamena

(2009). Trade preference erosion: Measurement and policy response. Washington DC: The World Bank.

Chicago Style aipamena

Trade Preference Erosion: Measurement and Policy Response. Washington DC: The World Bank, 2009.

MLA aipamena

Trade Preference Erosion: Measurement and Policy Response. Washington DC: The World Bank, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.