APA (7 ম সংস্করণ) উদ্ধৃতি

Greenberg, P. (2010). CRM (Customer Relationship Management) at the Speed of Light (4th.). Tata McGraw Hill Education Private Limited.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Greenberg, Paul. CRM (Customer Relationship Management) at the Speed of Light. 4th. New Delhi: Tata McGraw Hill Education Private Limited, 2010.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Greenberg, Paul. CRM (Customer Relationship Management) at the Speed of Light. 4th. Tata McGraw Hill Education Private Limited, 2010.