HARVARD BUSINESS SCHOOL PRESS. (1991). MANAGERS AS LEADERS. HARVARD BUSINESS REVIEW SCHOOL.
Παραπομπή σε μορφή Chicago (17η εκδ.)HARVARD BUSINESS SCHOOL PRESS. MANAGERS AS LEADERS. BOSTAN: HARVARD BUSINESS REVIEW SCHOOL, 1991.
Παραπομπή σε μορφή MLA (9th εκδ.)HARVARD BUSINESS SCHOOL PRESS. MANAGERS AS LEADERS. HARVARD BUSINESS REVIEW SCHOOL, 1991.
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