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Lua i Stíl Chicago (17ú heag.)PUGH DAVID. FIRST MILE: ESSENTIALS OF ENTREPRENEURSHIP. USA: WILEY PUBLISHING, 2003.
Lua MLA (9ú heag.)PUGH DAVID. FIRST MILE: ESSENTIALS OF ENTREPRENEURSHIP. WILEY PUBLISHING, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.