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Lua i Stíl Chicago (17ú heag.)Omachonu, Vincent. Principles of Total Quality. New Delhi: S. Chand, 1997.
Lua MLA (9ú heag.)Omachonu, Vincent. Principles of Total Quality. S. Chand, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.