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Lua i Stíl Chicago (17ú heag.)World Bank. Colombia: Paving the Way for a Results-oriented Public Sector. Washington, D.C: World Bank, 1997.
Lua MLA (9ú heag.)World Bank. Colombia: Paving the Way for a Results-oriented Public Sector. World Bank, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.