Kumar, V. (2013). Profitable customer engagement: Concept,metrics, and strategies. Sage.
シカゴスタイル引用形Kumar, V. Profitable Customer Engagement: Concept,metrics, and Strategies. NewDelhi: Sage, 2013.
MLA引用形式Kumar, V. Profitable Customer Engagement: Concept,metrics, and Strategies. Sage, 2013.
警告: この引用は必ずしも正確ではありません.