एपीए उद्धरण

Kumar, V. (2013). Profitable customer engagement: Concept,metrics, and strategies. Sage.

शिकागो स्टाइल उद्धरण

Kumar, V. Profitable Customer Engagement: Concept,metrics, and Strategies. NewDelhi: Sage, 2013.

एमएलए उद्धरण

Kumar, V. Profitable Customer Engagement: Concept,metrics, and Strategies. Sage, 2013.