Zenger, J. H., & Folkman, J. (2003). Extraordinary Leader: Turning good managers into great leaders. Tata McGraw-Hill publishing.
Čikaški stil citiranjaZenger, John H., i Joseph Folkman. Extraordinary Leader: Turning Good Managers into Great Leaders. New Delhi: Tata McGraw-Hill publishing, 2003.
MLA način citiranjaZenger, John H., i Joseph Folkman. Extraordinary Leader: Turning Good Managers into Great Leaders. Tata McGraw-Hill publishing, 2003.
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