Anson, J., Cadot, O., & Olarreaga, M. (2003). Tariff evasion and customs corruption: Does PSI help. Trade, Development Research Group, World Bank.
Lua i Stíl Chicago (17ú heag.)Anson, Jose, Olivier Cadot, agus Marcelo Olarreaga. Tariff Evasion and Customs Corruption: Does PSI Help. Washington, D.C: Trade, Development Research Group, World Bank, 2003.
Lua MLA (9ú heag.)Anson, Jose, et al. Tariff Evasion and Customs Corruption: Does PSI Help. Trade, Development Research Group, World Bank, 2003.
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