Bhalla, P. (2012). Performance management system: DMGT517. Lovely Professional University.
Chicago Style (17. basım) AtıfBhalla, Preeti. Performance Management System: DMGT517. Jalandhar: Lovely Professional University, 2012.
MLA (9th ed.) AtıfBhalla, Preeti. Performance Management System: DMGT517. Lovely Professional University, 2012.
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