Brenton, P., Newfarmer, R., & Walkenhorst, P. (2009). Avenues for export diversification: Issues for low-income countries. World Bank.
Chicago-viite (17. p.)Brenton, Paul, Richard Newfarmer, ja Peter Walkenhorst. Avenues for Export Diversification: Issues for Low-income Countries. Washington, D.C: World Bank, 2009.
MLA-viite (9. p.)Brenton, Paul, et al. Avenues for Export Diversification: Issues for Low-income Countries. World Bank, 2009.
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