Παραπομπή APA

Shanmugasundaram, S. (2010). Customer relationship management: Modern trends and perspectives.

Παραπομπή Chicago Style

Shanmugasundaram, S. Customer Relationship Management: Modern Trends and Perspectives. PHI learning Private Ltd, 2010.

Παραπομπή MLA

Shanmugasundaram, S. Customer Relationship Management: Modern Trends and Perspectives. 2010.