HARVARD BUSINESS REVIEW. (1968). LEADERSHIP PART -I. HARVARD BUSINESS REVIEW.
Chicago Style aipamenaHARVARD BUSINESS REVIEW. LEADERSHIP PART -I. BOSTON: HARVARD BUSINESS REVIEW, 1968.
MLA aipamenaHARVARD BUSINESS REVIEW. LEADERSHIP PART -I. HARVARD BUSINESS REVIEW, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.