Seybold Patricia, Kramer Mitchell I., & Dr.Muneer Muhamed. (2005). Capitalising On Customers. Vikas Publishing House Pvt .Ltd.
Chicago-čujuhus (17. p.)Seybold Patricia, Kramer Mitchell I., juo Dr.Muneer Muhamed. Capitalising On Customers. New Delhi: Vikas Publishing House Pvt .Ltd, 2005.
MLA-čujuhus (9. p.)Seybold Patricia, et al. Capitalising On Customers. Vikas Publishing House Pvt .Ltd, 2005.
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