APA-Zitierstil (7. Ausg.)

Kumar, V., & Reinartz, W. J. (2018). Customer relationship management: Concept, strategy, and tools (Third edition.). Springer.

Chicago-Zitierstil (17. Ausg.)

Kumar, V., und Werner J. Reinartz. Customer Relationship Management: Concept, Strategy, and Tools. Third edition. Berlin, Germany: Springer, 2018.

MLA-Zitierstil (9. Ausg.)

Kumar, V., und Werner J. Reinartz. Customer Relationship Management: Concept, Strategy, and Tools. Third edition. Springer, 2018.