Dyfyniad APA

Singh, P., & Kumar, J. N. (2009). customer relationship management (CRM). Regal.

Dyfyniad Arddull Chicago

Singh, P.P, and Jinender N. Kumar. Customer Relationship Management (CRM). New Delhi: Regal, 2009.

Dyfyniad MLA

Singh, P.P, and Jinender N. Kumar. Customer Relationship Management (CRM). Regal, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.