Παραπομπή σε μορφή APA (7η εκδ.)

Kumar, V. (2013). Profitable Customer Engagement: Concepts, Metrics, and Strategies. SAGE Publications India Pvt. Ltd.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kumar, V. Profitable Customer Engagement: Concepts, Metrics, and Strategies. New Delhi: SAGE Publications India Pvt. Ltd, 2013.

Παραπομπή σε μορφή MLA (9th εκδ.)

Kumar, V. Profitable Customer Engagement: Concepts, Metrics, and Strategies. SAGE Publications India Pvt. Ltd, 2013.