Bird, G. R. (1988). Commercial bank provisioning against claims on developing countries. International Economics Dept., World Bank.
Lua i Stíl Chicago (17ú heag.)Bird, Graham R. Commercial Bank Provisioning Against Claims on Developing Countries. Washington, D.C: International Economics Dept., World Bank, 1988.
Lua MLA (9ú heag.)Bird, Graham R. Commercial Bank Provisioning Against Claims on Developing Countries. International Economics Dept., World Bank, 1988.
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