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Lua i Stíl Chicago (17ú heag.)Great Britain. Dept. of the Environment agus Great Britain. Welsh Office. Sunlight and Daylight: Planning Criteria and Design of Buildings. London: H. M. Stationery Off., 1971.
Lua MLA (8ú heag.)Great Britain. Dept. of the Environment agus Great Britain. Welsh Office. Sunlight and Daylight: Planning Criteria and Design of Buildings. H. M. Stationery Off., 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.