HARVARD BUSINESS REVIEW. (2001). HARVARD BUSINESS REV. ON WHAT MAKES A LEADERS. H B S.
Chicago Style aipamenaHARVARD BUSINESS REVIEW. HARVARD BUSINESS REV. ON WHAT MAKES A LEADERS. BOSTON: H B S, 2001.
MLA aipamenaHARVARD BUSINESS REVIEW. HARVARD BUSINESS REV. ON WHAT MAKES A LEADERS. H B S, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.