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Lua i Stíl Chicago (17ú heag.)Hall, A S. Machine Design. New Delhi: Tata Mc Grawhill, 1980.
Lua MLA (9ú heag.)Hall, A S. Machine Design. Tata Mc Grawhill, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.