RAO T V. (2003). 360 DEGREE FEEDBACK AND PERFORMANCE MANAGEMENT SYSTEM. EXCEL BOOK.
Čikaški stil citiranja (17. izdanje)RAO T V. 360 DEGREE FEEDBACK AND PERFORMANCE MANAGEMENT SYSTEM. NEW DELHI: EXCEL BOOK, 2003.
MLA način citiranja (9. izdanje)RAO T V. 360 DEGREE FEEDBACK AND PERFORMANCE MANAGEMENT SYSTEM. EXCEL BOOK, 2003.
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