Cita APA (7a ed.)

Peelen, E. (2018). Customer Relationship Management. Pearson Education India Pvt. Ltd.

Cita Chicago Style (17a ed.)

Peelen, Ed. Customer Relationship Management. New Delhi: Pearson Education India Pvt. Ltd, 2018.

Cita MLA (9a ed.)

Peelen, Ed. Customer Relationship Management. Pearson Education India Pvt. Ltd, 2018.