Παραπομπή APA

Gupta, S. (2005). Managing customers as investments: The strategic value of customers in the long run. Upper Saddle River, N.J: Wharton School Pub.

Παραπομπή Chicago Style

Gupta, Sunnil. Managing Customers As Investments: The Strategic Value of Customers in the Long Run. Upper Saddle River, N.J: Wharton School Pub, 2005.

Παραπομπή MLA

Gupta, Sunnil. Managing Customers As Investments: The Strategic Value of Customers in the Long Run. Upper Saddle River, N.J: Wharton School Pub, 2005.

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