DELL MICHAEL. (2010). DIRECT FROM DELL: STRATEGIES THAT REVOLUTIONIZED AN INDUSTRY (1ST.). PROFILE BOOKS LTD.
Lua i Stíl Chicago (17ú heag.)DELL MICHAEL. DIRECT FROM DELL: STRATEGIES THAT REVOLUTIONIZED AN INDUSTRY. 1ST. LONDON: PROFILE BOOKS LTD, 2010.
Lua MLA (9ú heag.)DELL MICHAEL. DIRECT FROM DELL: STRATEGIES THAT REVOLUTIONIZED AN INDUSTRY. 1ST. PROFILE BOOKS LTD, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.