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Lua i Stíl Chicago (17ú heag.)International Bank for Reconstruction and Development. The Economic Development of Spain. Madrid: [Spanish Information Service], 1963.
Lua MLA (9ú heag.)International Bank for Reconstruction and Development. The Economic Development of Spain. [Spanish Information Service], 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.