Zikmund, W. (2004). Customer relationship management. John Wiley.
Chicagoスタイル(17版)引用形式Zikmund, William. Customer Relationship Management. Singapore: John Wiley, 2004.
MLA(9版)引用形式Zikmund, William. Customer Relationship Management. John Wiley, 2004.
警告: この引用は必ずしも正確ではありません.