APA-viite

Kumar, V., & Petersen, J. A. (2012). Statistical methods in customer relationship management. Wiley.

Chicago-tyylinen lähdeviittaus

Kumar, V., ja J. Andrew Petersen. Statistical Methods in Customer Relationship Management. Chichester, West Sussex: Wiley, 2012.

MLA-viite

Kumar, V., ja J. Andrew Petersen. Statistical Methods in Customer Relationship Management. Wiley, 2012.