HARVARD BUSINESS REVIEW. (2001). HARVARD BUSINESS REVIEW ON INNOVATION. HARVARD BUSINESS SCHOOL PRESS.
Lua i Stíl Chicago (17ú heag.)HARVARD BUSINESS REVIEW. HARVARD BUSINESS REVIEW ON INNOVATION. USA: HARVARD BUSINESS SCHOOL PRESS, 2001.
Lua MLA (9ú heag.)HARVARD BUSINESS REVIEW. HARVARD BUSINESS REVIEW ON INNOVATION. HARVARD BUSINESS SCHOOL PRESS, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.