Das, S. (2007). Customer relationship management. Excel.
Chicagoスタイル(17版)引用形式Das, Subhasish. Customer Relationship Management. New Delhi: Excel, 2007.
MLA(9版)引用形式Das, Subhasish. Customer Relationship Management. Excel, 2007.
警告: この引用は必ずしも正確ではありません.