LUSSIER ROBERT. (2011). EFFECTIVE LEADERSHIP (3RD.). CENGAGE LEARNING.
Čikaški stil citiranja (17. izdanje)LUSSIER ROBERT. EFFECTIVE LEADERSHIP. 3RD. AUSTRALIA: CENGAGE LEARNING, 2011.
MLA način citiranja (9. izdanje)LUSSIER ROBERT. EFFECTIVE LEADERSHIP. 3RD. CENGAGE LEARNING, 2011.
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