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Lua i Stíl Chicago (17ú heag.)World Bank. Advancing Sustainable Development: The World Bank and Agenda 21. Washington, DC: World Bank, 1997.
Lua MLA (8ú heag.)World Bank. Advancing Sustainable Development: The World Bank and Agenda 21. World Bank, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.