MUKHERJEE KAUSHIK. (2007). CUSTOMER RELATIONSHIP MANAGEMENT. PRENTICE - HALL.
Čikaški stil citiranja (17. izdanje)MUKHERJEE KAUSHIK. CUSTOMER RELATIONSHIP MANAGEMENT. NEW DELHI: PRENTICE - HALL, 2007.
MLA način citiranja (9. izdanje)MUKHERJEE KAUSHIK. CUSTOMER RELATIONSHIP MANAGEMENT. PRENTICE - HALL, 2007.
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