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Lua i Stíl Chicago (17ú heag.)P, James. Heath Science James P. Barufaldi; George T. Ladd; Alice Johnson Moses. DC Heath and Company, 1984.
Lua MLA (8ú heag.)P, James. Heath Science James P. Barufaldi; George T. Ladd; Alice Johnson Moses. DC Heath and Company, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.