(2009). Trade preference erosion: Measurement and policy response. Washington DC: The World Bank.
Trích dẫn kiểu ChicagoTrade Preference Erosion: Measurement and Policy Response. Washington DC: The World Bank, 2009.
MLA citiranjeTrade Preference Erosion: Measurement and Policy Response. Washington DC: The World Bank, 2009.
Opozorilo: Ti citati niso vedno 100% točni.