HARVARD BUSINESS REVIEW. (1968). LEADERSHIP PART -I. HARVARD BUSINESS REVIEW.
Čikaški stil citiranja (17. izdanje)HARVARD BUSINESS REVIEW. LEADERSHIP PART -I. BOSTON: HARVARD BUSINESS REVIEW, 1968.
MLA način citiranja (9. izdanje)HARVARD BUSINESS REVIEW. LEADERSHIP PART -I. HARVARD BUSINESS REVIEW, 1968.
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