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Lua i Stíl Chicago (17ú heag.)BEAL, Edwin F. The Practice of Collection Bargaining. Richard D.Irwin, 1982.
Lua MLA (8ú heag.)BEAL, Edwin F. The Practice of Collection Bargaining. Richard D.Irwin, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.