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Lua i Stíl Chicago (17ú heag.)British Standards Institution. Code of Practice for Performance and Loading Criteria for Profiled Sheeting in Building. London: B.S.I., 1976.
Lua MLA (8ú heag.)British Standards Institution. Code of Practice for Performance and Loading Criteria for Profiled Sheeting in Building. B.S.I., 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.