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Lua i Stíl Chicago (17ú heag.)Monappa, Arun. Industrial Relations. New Delhi: Tata Mc Graw Hill, 1985.
Lua MLA (9ú heag.)Monappa, Arun. Industrial Relations. Tata Mc Graw Hill, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.