Berry, A. (1994). Colombia's small and medium-size exporters and their support systems. World Bank.
Lua i Stíl Chicago (17ú heag.)Berry, Albert. Colombia's Small and Medium-size Exporters and Their Support Systems. Washington, D.C: World Bank, 1994.
Lua MLA (9ú heag.)Berry, Albert. Colombia's Small and Medium-size Exporters and Their Support Systems. World Bank, 1994.
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