HAMEL GARY. (2000). LEADING THE RAVOLUTION. HARVARD BUSINESS REVIEW.
Chicago Style aipamenaHAMEL GARY. LEADING THE RAVOLUTION. BOSTON: HARVARD BUSINESS REVIEW, 2000.
MLA aipamenaHAMEL GARY. LEADING THE RAVOLUTION. HARVARD BUSINESS REVIEW, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.