Zhai, F. (2006). Preferential trade agreements in Asia: Alternative scenarios of "hub and spoke". Asian Development Bank.
Cita Chicago (17th ed.)Zhai, Fan. Preferential Trade Agreements in Asia: Alternative Scenarios of "Hub and Spoke". [Mandaluyong City]: Asian Development Bank, 2006.
Cita MLA (9th ed.)Zhai, Fan. Preferential Trade Agreements in Asia: Alternative Scenarios of "Hub and Spoke". Asian Development Bank, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.