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Lua i Stíl Chicago (17ú heag.)Computer Aided Geometric Design, Robert E. Barnhill, agus Richard F. Riesenfeld. Computer Aided Geometric Design. New York : Academic Press, 1974.
Lua MLA (9ú heag.)Computer Aided Geometric Design, et al. Computer Aided Geometric Design. New York : Academic Press, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.