Seybold Patricia, Kramer Mitchell I., & Dr.Muneer Muhamed. (2005). Capitalising On Customers. Vikas Publishing House Pvt .Ltd.
Čikaški stil citiranja (17. izdanje)Seybold Patricia, Kramer Mitchell I., i Dr.Muneer Muhamed. Capitalising On Customers. New Delhi: Vikas Publishing House Pvt .Ltd, 2005.
MLA način citiranja (9. izdanje)Seybold Patricia, et al. Capitalising On Customers. Vikas Publishing House Pvt .Ltd, 2005.
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