HARVARD BUSINESS REVIEW. (2001). HARVARD BUSINESS REVIEW ON INNOVATION. HARVARD BUSINESS SCHOOL PRESS.
Chicago Style aipamenaHARVARD BUSINESS REVIEW. HARVARD BUSINESS REVIEW ON INNOVATION. USA: HARVARD BUSINESS SCHOOL PRESS, 2001.
MLA aipamenaHARVARD BUSINESS REVIEW. HARVARD BUSINESS REVIEW ON INNOVATION. HARVARD BUSINESS SCHOOL PRESS, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.