APA (7e ed.) Bronvermelding

Gupta, S. (2008). Managing customers as investments. Pearson Power.

Chicago (17e ed.) Bronvermelding

Gupta, Sunil. Managing Customers as Investments. New Delhi: Pearson Power, 2008.

MLA (9e ed.) Bronvermelding

Gupta, Sunil. Managing Customers as Investments. Pearson Power, 2008.

Let op: Deze citaties zijn niet altijd 100% accuraat.