Seybold Patricia, Kramer Mitchell I., & Dr.Muneer Muhamed. (2005). Capitalising On Customers. Vikas Publishing House Pvt .Ltd.
Cita Chicago (17th ed.)Seybold Patricia, Kramer Mitchell I., i Dr.Muneer Muhamed. Capitalising On Customers. New Delhi: Vikas Publishing House Pvt .Ltd, 2005.
Cita MLA (9th ed.)Seybold Patricia, et al. Capitalising On Customers. Vikas Publishing House Pvt .Ltd, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.