KUSHEL G. (2003). THE INSIDE TRACK TO SUCCESSFUL MANAGEMENT. VIVA BOOKS PVT LTD.
Čikaški stil citiranja (17. izdanje)KUSHEL G. THE INSIDE TRACK TO SUCCESSFUL MANAGEMENT. NEW DELHI: VIVA BOOKS PVT LTD, 2003.
MLA način citiranja (9. izdanje)KUSHEL G. THE INSIDE TRACK TO SUCCESSFUL MANAGEMENT. VIVA BOOKS PVT LTD, 2003.
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