Heenan, D. A., & Bennis, W. G. (1999). Co-leaders: The power of great partnerships. John Wiley.
Čikaški stil citiranja (17. izdanje)Heenan, David A., i Warren G. Bennis. Co-leaders: The Power of Great Partnerships. New York: John Wiley, 1999.
MLA način citiranja (8. izdanje)Heenan, David A., i Warren G. Bennis. Co-leaders: The Power of Great Partnerships. John Wiley, 1999.
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