Cita APA (7a ed.)

Peelen, E., & Beltman, R. (2013). Customer relationship management (Second edition.). Pearson.

Cita Chicago Style (17a ed.)

Peelen, Ed, y Rob Beltman. Customer Relationship Management. Second edition. Harlow, England: Pearson, 2013.

Cita MLA (8a ed.)

Peelen, Ed, y Rob Beltman. Customer Relationship Management. Second edition. Pearson, 2013.