Roberts-Phelps, G. (2001). Customer relationship management: How to turn a good business into a great one! Hawksmere.
Chicagoスタイル(17版)引用形式Roberts-Phelps, Graham. Customer Relationship Management: How to Turn a Good Business into a Great One! London: Hawksmere, 2001.
MLA(9版)引用形式Roberts-Phelps, Graham. Customer Relationship Management: How to Turn a Good Business into a Great One! Hawksmere, 2001.
警告: この引用は必ずしも正確ではありません.