Medvedev, D. (2006). Preferential trade agreements and their role in world trade. World Bank.
Cita Chicago (17th ed.)Medvedev, Denis. Preferential Trade Agreements and Their Role in World Trade. Washington, D.C: World Bank, 2006.
Cita MLA (9th ed.)Medvedev, Denis. Preferential Trade Agreements and Their Role in World Trade. World Bank, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.