Gupta, S. (2008). Managing customers as investments. Pearson Power.
Chicagoスタイル(17版)引用形式Gupta, Sunil. Managing Customers as Investments. New Delhi: Pearson Power, 2008.
MLA(9版)引用形式Gupta, Sunil. Managing Customers as Investments. Pearson Power, 2008.
警告: この引用は必ずしも正確ではありません.