Kumar, V., & Petersen, J. A. (2012). Statistical methods in customer relationship management. Wiley. https://doi.org/10.1002/9781118349212
Čikaški stil citiranja (17. izdanje)Kumar, V., i J. Andrew Petersen. Statistical Methods in Customer Relationship Management. Chichester, West Sussex: Wiley, 2012. https://doi.org/10.1002/9781118349212.
MLA način citiranja (9. izdanje)Kumar, V., i J. Andrew Petersen. Statistical Methods in Customer Relationship Management. Wiley, 2012. https://doi.org/10.1002/9781118349212.
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