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Lua i Stíl Chicago (17ú heag.)Britton, Jack. University Mathematics. San Francisco: W.H. Freeman and Co, 1965.
Lua MLA (9ú heag.)Britton, Jack. University Mathematics. W.H. Freeman and Co, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.