Kumar, V. (2013). Profitable customer engagement: Concept, metrics and strategies. Sage response.
Chicago-stil citatKumar, V. Profitable Customer Engagement: Concept, Metrics and Strategies. New Delhi: Sage response, 2013.
MLA-referensKumar, V. Profitable Customer Engagement: Concept, Metrics and Strategies. Sage response, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.