Yaverbaum, E. (2004). Leadership secrets of the world's most successful CEOs. Dearborn Trade Pub.
Chicago-viite (17. p.)Yaverbaum, Eric. Leadership Secrets of the World's Most Successful CEOs. Chicago, Il: Dearborn Trade Pub, 2004.
MLA-viite (9. p.)Yaverbaum, Eric. Leadership Secrets of the World's Most Successful CEOs. Dearborn Trade Pub, 2004.
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