APA
Gosney J. W. a. B. t. P., . (2001). Customer Relationship Management Essentials. : PHI.
Chicago
Gosney John W and Bochm thomas P, . 2001. Customer Relationship Management Essentials. : PHI.
Harvard
Gosney J. W. a. B. t. P., . (2001). Customer Relationship Management Essentials. : PHI.
MLA
Gosney John W and Bochm thomas P, . Customer Relationship Management Essentials. : PHI. 2001.