APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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

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